Android build v1.1.19

android/app/build.gradle

@@ -7,8 +7,8 @@ android {
         applicationId "com.warren.iwanttoheal"
         minSdkVersion rootProject.ext.minSdkVersion
         targetSdkVersion rootProject.ext.targetSdkVersion
-        versionCode 97
+        versionCode 98
-        versionName "1.1.18"
+        versionName "1.1.19"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         aaptOptions {
              // Files and dirs to omit from the packaged assets dir, modified to accommodate modern web apps.

src/App.css

@@ -145,6 +145,8 @@
 }
 
 .iwt2-boss-hud {
+  display: grid;
+  gap: 6px;
   left: 50%;
   min-width: 310px;
   padding: 8px 12px 10px;
@@ -155,7 +157,7 @@
   z-index: 4;
 }
 
-.iwt2-boss-hud > div:first-child {
+.iwt2-boss-hud-row > div:first-child {
   align-items: baseline;
   display: flex;
   gap: 12px;
@@ -2137,7 +2139,7 @@ html[data-input-device='controller'] [data-game-nav-active='true'] [tabindex]:fo
 }
 
 .pvp-opponent-bottom-display {
-  grid-template-rows: auto auto minmax(0, 1fr) auto;
+  grid-template-rows: auto auto auto minmax(0, 1fr) auto;
 }
 
 .dual-controls-header,
@@ -2172,6 +2174,7 @@ html[data-input-device='controller'] [data-game-nav-active='true'] [tabindex]:fo
 }
 
 .dual-opponent-progress,
+.dual-opponent-arena,
 .dual-opponent-effects {
   background: var(--panel);
   border: 3px solid #0c0d11;
@@ -2195,6 +2198,53 @@ html[data-input-device='controller'] [data-game-nav-active='true'] [tabindex]:fo
   height: 22px;
 }
 
+.dual-opponent-arena {
+  padding: 7px;
+}
+
+.dual-opponent-arena-field {
+  background:
+    linear-gradient(rgba(23, 29, 36, 0.96), rgba(23, 29, 36, 0.96)),
+    repeating-linear-gradient(0deg, transparent 0 39px, rgba(90, 108, 126, 0.28) 40px),
+    repeating-linear-gradient(90deg, transparent 0 39px, rgba(90, 108, 126, 0.28) 40px);
+  border: 2px solid #3c4a59;
+  border-radius: 6px;
+  max-height: 138px;
+  min-height: 112px;
+  overflow: hidden;
+  position: relative;
+  width: 100%;
+}
+
+.dual-opponent-arena-entity {
+  align-items: center;
+  border: 2px solid #0a0c10;
+  border-radius: 999px;
+  color: #fff7df;
+  display: flex;
+  font-family: ui-monospace, Consolas, monospace;
+  font-size: 10px;
+  font-weight: 900;
+  justify-content: center;
+  line-height: 1;
+  min-height: 12px;
+  min-width: 12px;
+  position: absolute;
+  transform: translate(-50%, -50%);
+}
+
+.dual-opponent-arena-entity.boss {
+  border-color: #fff0b8;
+  border-radius: 45%;
+  font-size: 12px;
+  min-height: 18px;
+  min-width: 24px;
+}
+
+.dual-opponent-arena-entity.healer {
+  box-shadow: 0 0 0 3px rgba(255, 244, 168, 0.84);
+}
+
 .dual-opponent-party-grid {
   background: var(--panel);
   border: 3px solid #0c0d11;
@@ -2567,7 +2617,7 @@ html[data-input-device='controller'] [data-game-nav-active='true'] [tabindex]:fo
   }
 
   .pvp-opponent-bottom-display {
-    grid-template-rows: auto auto minmax(0, 1fr) auto;
+    grid-template-rows: auto auto auto minmax(0, 1fr) auto;
   }
 
   .dual-opponent-progress {
@@ -2590,6 +2640,16 @@ html[data-input-device='controller'] [data-game-nav-active='true'] [tabindex]:fo
     height: 16px;
   }
 
+  .dual-opponent-arena {
+    border-width: 2px;
+    padding: 5px;
+  }
+
+  .dual-opponent-arena-field {
+    max-height: 112px;
+    min-height: 92px;
+  }
+
   .dual-opponent-party-grid {
     border-width: 2px;
     gap: 6px;

src/App.tsx

@@ -1,7 +1,12 @@
-import { useState } from 'react'
+import { useCallback, useEffect, useState } from 'react'
+import { AuthScreen } from './components/AuthScreen'
 import IWantToHeal1App from './modes/iwt1/IWantToHeal1App'
 import { IWantToHeal2App } from './modes/iwt2/IWantToHeal2App'
 import { useGameAction } from './input'
+import {
+  loadAuthSession,
+  type AuthSession,
+} from './profile'
 
 type GameVersion = 'iwt1' | 'iwt2'
 
@@ -31,9 +36,46 @@ const GAME_OPTIONS: Array<{
 function App() {
   const [selectedVersion, setSelectedVersion] = useState<GameVersion | null>(null)
   const [selectedIndex, setSelectedIndex] = useState(0)
+  const [authSession, setAuthSession] = useState<AuthSession | null>(null)
+  const [authChecked, setAuthChecked] = useState(false)
+  const [serverMessage, setServerMessage] = useState('')
+
+  useEffect(() => {
+    let cancelled = false
+    loadAuthSession()
+      .then((session) => {
+        if (cancelled) return
+        setAuthSession(session.account && session.profile ? session : null)
+      })
+      .catch((reason: unknown) => {
+        if (cancelled) return
+        setServerMessage(
+          reason instanceof Error
+            ? `${reason.message} Offline play is still available.`
+            : 'Unable to reach the server. Offline play is still available.',
+        )
+      })
+      .finally(() => {
+        if (!cancelled) setAuthChecked(true)
+      })
+    return () => {
+      cancelled = true
+    }
+  }, [])
+
+  const acceptSession = useCallback((session: AuthSession) => {
+    setAuthSession(session)
+    setSelectedVersion(null)
+    setServerMessage('')
+  }, [])
+
+  const clearAuthSession = useCallback(() => {
+    setAuthSession(null)
+    setSelectedVersion(null)
+  }, [])
 
   useGameAction((action, device) => {
-    if (selectedVersion || device !== 'controller') return
+    if (!authSession || selectedVersion || device !== 'controller') return
     if (action === 'navigateLeft' || action === 'navigateUp') {
       setSelectedIndex((current) => Math.max(0, current - 1))
     } else if (action === 'navigateRight' || action === 'navigateDown') {
@@ -43,8 +85,34 @@ function App() {
     }
   })
 
+  if (!authChecked) {
+    return (
+      <main className="game-shell">
+        <section className="message-panel">
+          <p className="eyebrow">Opening Chronicle</p>
+          <h1>Loading...</h1>
+        </section>
+      </main>
+    )
+  }
+
+  if (!authSession) {
+    return (
+      <AuthScreen
+        onAuthenticated={acceptSession}
+        serverMessage={serverMessage}
+      />
+    )
+  }
+
   if (selectedVersion === 'iwt1') {
-    return <IWantToHeal1App onBackToGameSelect={() => setSelectedVersion(null)} />
+    return (
+      <IWantToHeal1App
+        initialSession={authSession}
+        onAuthenticationCleared={clearAuthSession}
+        onBackToGameSelect={() => setSelectedVersion(null)}
+      />
+    )
   }
 
   if (selectedVersion === 'iwt2') {

src/dualScreen.tsx

@@ -49,6 +49,11 @@ export type DualScreenCombatState = {
   opponentClassName?: string
   opponentParty?: PartyMember[]
   opponentEnemyHealth?: number
+  opponentArena?: {
+    bounds: { width: number, height: number }
+    bosses: Array<{ id: string, name: string, icon: string, color: string, x: number, y: number, radius: number, health: number, maxHealth: number }>
+    party: Array<{ id: string, icon: string, color: string, x: number, y: number, radius: number, health: number, maxHealth: number, isHealer: boolean }>
+  }
   opponentResource?: number
   opponentMaxResource?: number
   opponentResourceName?: string
@@ -638,6 +643,48 @@ export function DualScreenBottomDisplay() {
             </section>
           )}
 
+          {state.opponentArena && (
+            <section className="dual-opponent-arena" aria-label="Opponent arena">
+              <div
+                className="dual-opponent-arena-field"
+                style={{ aspectRatio: `${state.opponentArena.bounds.width} / ${state.opponentArena.bounds.height}` }}
+              >
+                {state.opponentArena.bosses.map((boss) => (
+                  <div
+                    className="dual-opponent-arena-entity boss"
+                    key={boss.id}
+                    style={{
+                      backgroundColor: boss.color,
+                      height: `${Math.max(8, (boss.radius / state.opponentArena!.bounds.height) * 100)}%`,
+                      left: `${(boss.x / state.opponentArena!.bounds.width) * 100}%`,
+                      top: `${(boss.y / state.opponentArena!.bounds.height) * 100}%`,
+                      width: `${Math.max(8, (boss.radius / state.opponentArena!.bounds.width) * 100)}%`,
+                    }}
+                    title={`${boss.name} ${Math.ceil(boss.health)} / ${boss.maxHealth}`}
+                  >
+                    {boss.icon}
+                  </div>
+                ))}
+                {state.opponentArena.party.map((member) => (
+                  <div
+                    className={`dual-opponent-arena-entity party ${member.isHealer ? 'healer' : ''}`}
+                    key={member.id}
+                    style={{
+                      backgroundColor: member.color,
+                      height: `${Math.max(5, (member.radius / state.opponentArena!.bounds.height) * 100)}%`,
+                      left: `${(member.x / state.opponentArena!.bounds.width) * 100}%`,
+                      opacity: member.health > 0 ? 1 : 0.35,
+                      top: `${(member.y / state.opponentArena!.bounds.height) * 100}%`,
+                      width: `${Math.max(5, (member.radius / state.opponentArena!.bounds.width) * 100)}%`,
+                    }}
+                  >
+                    {member.icon}
+                  </div>
+                ))}
+              </div>
+            </section>
+          )}
+
           <section className={`dual-opponent-party-grid ${state.opponentParty.length > 6 ? 'raid' : ''}`}>
             {state.opponentParty.map((member) => (
               <PartyMemberFrame

src/modes/iwt1/IWantToHeal1App.tsx

@@ -1,5 +1,4 @@
 import { lazy, Suspense, useEffect, useMemo, useState } from 'react'
-import { AuthScreen } from '../../components/AuthScreen'
 import {
   loadCpuPvpLeaderboard,
   type CpuPvpLeaderboardEntry,
@@ -138,11 +137,21 @@ function ScreenLoading() {
 
 type RoguelikeVariant = 'pve' | 'pvp'
 
-function IWantToHeal1App({ onBackToGameSelect }: { onBackToGameSelect: () => void }) {
+type IWantToHeal1AppProps = {
+  initialSession: AuthSession
+  onAuthenticationCleared: () => void
+  onBackToGameSelect: () => void
+}
+
+function IWantToHeal1App({
+  initialSession,
+  onAuthenticationCleared,
+  onBackToGameSelect,
+}: IWantToHeal1AppProps) {
   const { enabled: dualScreenEnabled } = useDualScreen()
   const [screen, setScreen] = useState<Screen>('menu')
-  const [account, setAccount] = useState<Account | null>(null)
+  const [account, setAccount] = useState<Account | null>(initialSession.account)
-  const [profile, setProfile] = useState<CharacterProfile | null>(null)
+  const [profile, setProfile] = useState<CharacterProfile | null>(initialSession.profile)
   const [authChecked, setAuthChecked] = useState(false)
   const [gameMode, setGameMode] = useState<GameMode>(getGameMode())
   const [serverMessage, setServerMessage] = useState('')
@@ -186,6 +195,10 @@ function IWantToHeal1App({ onBackToGameSelect }: { onBackToGameSelect: () => voi
       .finally(() => setAuthChecked(true))
   }, [])
 
+  useEffect(() => {
+    if (authChecked && (!account || !profile)) onAuthenticationCleared()
+  }, [account, authChecked, onAuthenticationCleared, profile])
+
   useEffect(() => {
     const handleModeChange = (event: Event) => {
       const nextMode = (event as CustomEvent<GameMode>).detail
@@ -350,18 +363,6 @@ function IWantToHeal1App({ onBackToGameSelect }: { onBackToGameSelect: () => voi
     [leaderboardCategory, selectedActivityOption?.leaderboards, selectedDifficultyOption?.id],
   )
 
-  function acceptSession(session: AuthSession) {
-    setAccount(session.account)
-    setProfile(session.profile)
-    setGameMode(getGameMode())
-    setScreen('menu')
-    setError('')
-    setServerMessage('')
-    window.requestAnimationFrame(() => {
-      focusFirstControl()
-    })
-  }
-
   async function signOut() {
     try {
       await logoutAccount()
@@ -371,6 +372,7 @@ function IWantToHeal1App({ onBackToGameSelect }: { onBackToGameSelect: () => voi
       setScreen('menu')
       setSyncMessage('')
       setSyncComparison(null)
+      onAuthenticationCleared()
     } catch (reason) {
       setError(reason instanceof Error ? reason.message : 'Unable to sign out.')
     }
@@ -832,10 +834,13 @@ function IWantToHeal1App({ onBackToGameSelect }: { onBackToGameSelect: () => voi
 
   if (!account || !profile) {
     return (
-      <AuthScreen
+      <main className="game-shell">
-        onAuthenticated={acceptSession}
+        <section className="message-panel">
-        serverMessage={serverMessage}
+          <p className="eyebrow">Opening Chronicle</p>
-      />
+          <h1>Returning to Sign In...</h1>
+          {serverMessage && <p>{serverMessage}</p>}
+        </section>
+      </main>
     )
   }
 

src/modes/iwt2/IWantToHeal2App.tsx

@@ -1,5 +1,7 @@
-import { useEffect, useMemo, useState } from 'react'
+import { useEffect, useMemo, useRef, useState } from 'react'
 import { useGameAction } from '../../input'
+import { getGameMode } from '../../gameRepository'
+import { startPvpQueueWithCpuFallback } from '../../pvpQueueLifecycle'
 import { summarizeChoiceStacks } from '../../combat/roguelikeUpgrades'
 import {
   useDualScreen,
@@ -54,6 +56,7 @@ const IWT2_MENU_COLUMNS = 4
 const IWT2_ROGUELIKE_CHOICE_COUNT = 3
 
 type Iwt2RoguelikeRunState = {
+  bossIds: Iwt2BossId[]
   buffs: Iwt2RoguelikeSelfBuffId[]
   contentType: Iwt2RoguelikeContentType
   debuffs: Iwt2RoguelikeOpponentDebuffId[]
@@ -129,11 +132,17 @@ export function IWantToHeal2App({ onBackToGameSelect }: { onBackToGameSelect: ()
   const [roguelikeVariant, setRoguelikeVariant] = useState<Iwt2RoguelikeVariant>('pve')
   const [roguelikeContentType, setRoguelikeContentType] = useState<Iwt2RoguelikeContentType>('dungeon')
   const [roguelikeRun, setRoguelikeRun] = useState<Iwt2RoguelikeRunState | null>(null)
+  const [pvpQueueMessage, setPvpQueueMessage] = useState('')
+  const cancelPvpQueueRef = useRef<(() => void) | null>(null)
 
   useEffect(() => {
     writeIwt2Save(save)
   }, [save])
 
+  useEffect(() => () => {
+    cancelPvpQueueRef.current?.()
+  }, [])
+
   const setupDualScreenState = useMemo<DualScreenSetupState | null>(
     () => buildIwt2SetupDualScreenState(screen, selectedBossId, save),
     [save, screen, selectedBossId],
@@ -182,6 +191,7 @@ export function IWantToHeal2App({ onBackToGameSelect }: { onBackToGameSelect: ()
     return (
       <BossArenaScreen
         bossId={selectedBossId}
+        key={`arena-${selectedBossId}-${arenaModeLabel}`}
         modeLabel={arenaModeLabel}
         save={save}
         onBack={() => setScreen('menu')}
@@ -193,7 +203,9 @@ export function IWantToHeal2App({ onBackToGameSelect }: { onBackToGameSelect: ()
   if (screen === 'roguelike-arena' && roguelikeRun) {
     return (
       <BossArenaScreen
+        bossIds={roguelikeRun.bossIds}
         bossId={selectedBossId}
+        key={`roguelike-${roguelikeRun.variant}-${roguelikeRun.contentType}-${roguelikeRun.stage}-${roguelikeRun.bossIds.join('-')}`}
         roguelikeRun={{
           buffs: roguelikeRun.buffs,
           contentType: roguelikeRun.contentType,
@@ -233,7 +245,7 @@ export function IWantToHeal2App({ onBackToGameSelect }: { onBackToGameSelect: ()
           onChoose={(buffId, debuffId) => {
             const nextRun = applyRoguelikeChoice(roguelikeRun, buffId, debuffId, save)
             setRoguelikeRun(nextRun)
-            setSelectedBossId(bossForRoguelike(nextRun.variant, nextRun.contentType, nextRun.stage))
+            setSelectedBossId(nextRun.bossIds[0] ?? 'bulldrome')
             setScreen('roguelike-arena')
           }}
         />
@@ -267,17 +279,18 @@ export function IWantToHeal2App({ onBackToGameSelect }: { onBackToGameSelect: ()
           onBack={() => setScreen('menu')}
           onContentTypeChange={setRoguelikeContentType}
           onStart={() => {
-            const nextRun = createRoguelikeRun(save, roguelikeVariant, roguelikeContentType)
+            startIwt2RoguelikeRun()
-            setRoguelikeRun(nextRun)
-            setSelectedBossId(bossForRoguelike(roguelikeVariant, roguelikeContentType, nextRun.stage))
-            setScreen('roguelike-arena')
           }}
           onVariantChange={(nextVariant) => {
+            cancelPvpQueueRef.current?.()
+            cancelPvpQueueRef.current = null
+            setPvpQueueMessage('')
             setRoguelikeVariant(nextVariant)
             if (nextVariant === 'pve' && roguelikeContentType === 'stadium') {
               setRoguelikeContentType('dungeon')
             }
           }}
+          queueMessage={pvpQueueMessage}
         />
       </main>
     )
@@ -359,6 +372,7 @@ export function IWantToHeal2App({ onBackToGameSelect }: { onBackToGameSelect: ()
               <button
                 className={`iwt2-menu-card ${selectedIndex === index ? 'game-selected' : ''}`}
                 data-controller-nav="skip"
+                data-game-selected={selectedIndex === index ? 'true' : undefined}
                 key={`${item.screen}-${item.title}`}
                 onClick={() => openMenuItem(item)}
                 onPointerDown={() => setSelectedIndex(index)}
@@ -376,24 +390,58 @@ export function IWantToHeal2App({ onBackToGameSelect }: { onBackToGameSelect: ()
       )}
     </main>
   )
+
+  function startIwt2RoguelikeRun() {
+    cancelPvpQueueRef.current?.()
+    cancelPvpQueueRef.current = null
+    setPvpQueueMessage('')
+    if (roguelikeVariant !== 'pvp') {
+      beginIwt2RoguelikeArena(roguelikeVariant, roguelikeContentType)
+      return
+    }
+    const startStage = 1
+    cancelPvpQueueRef.current = startPvpQueueWithCpuFallback<unknown>({
+      contentType: roguelikeContentType,
+      startStage,
+      gameMode: getGameMode(),
+      liveMatchActive: () => false,
+      onSearching: setPvpQueueMessage,
+      onCpuMatch: (_difficulty, message) => {
+        cancelPvpQueueRef.current = null
+        setPvpQueueMessage(message)
+        beginIwt2RoguelikeArena('pvp', roguelikeContentType)
+      },
+      onLiveMatch: (...liveMatchArgs) => {
+        const message = liveMatchArgs[2]
+        cancelPvpQueueRef.current = null
+        setPvpQueueMessage(message)
+        beginIwt2RoguelikeArena('pvp', roguelikeContentType)
+      },
+      messages: {
+        offline: (difficulty) => `Offline mode. CPU ${difficulty} enters IWT2 ${formatRoguelikeContentType(roguelikeContentType)}.`,
+        searching: `Searching IWT2 ${formatRoguelikeContentType(roguelikeContentType)} queue for 5s.`,
+        notFound: (difficulty) => `No IWT2 opponent found after 5s. CPU ${difficulty} steps in.`,
+        unavailable: (difficulty) => `PvP server unavailable. CPU ${difficulty} steps in.`,
+        liveFound: () => `Opponent found. Starting IWT2 ${formatRoguelikeContentType(roguelikeContentType)} race.`,
+      },
+    })
+  }
+
+  function beginIwt2RoguelikeArena(
+    variant: Iwt2RoguelikeVariant,
+    contentType: Iwt2RoguelikeContentType,
+  ) {
+    const nextRun = createRoguelikeRun(save, variant, contentType)
+    setRoguelikeRun(nextRun)
+    setSelectedBossId(nextRun.bossIds[0] ?? 'bulldrome')
+    setScreen('roguelike-arena')
+  }
 }
 
-function bossForRoguelike(
+function formatRoguelikeContentType(contentType: Iwt2RoguelikeContentType) {
-  variant: Iwt2RoguelikeVariant,
+  if (contentType === 'raid') return 'Raid'
-  contentType: Iwt2RoguelikeContentType,
+  if (contentType === 'stadium') return 'Stadium'
-  stage = 1,
+  return 'Dungeon'
-): Iwt2BossId {
-  const dungeonBosses: Iwt2BossId[] = variant === 'pvp'
-    ? ['yian-kut-ku', 'great-jaggi', 'bulldrome', 'khezu']
-    : ['bulldrome', 'yian-kut-ku', 'great-jaggi', 'khezu']
-  const raidBosses: Iwt2BossId[] = ['khezu', 'great-jaggi', 'yian-kut-ku', 'bulldrome']
-  const stadiumBosses: Iwt2BossId[] = ['great-jaggi', 'yian-kut-ku', 'khezu', 'bulldrome']
-  const pool = contentType === 'raid'
-    ? raidBosses
-    : contentType === 'stadium'
-      ? stadiumBosses
-      : dungeonBosses
-  return pool[(stage - 1) % pool.length]
 }
 
 function createRoguelikeRun(
@@ -402,6 +450,7 @@ function createRoguelikeRun(
   contentType: Iwt2RoguelikeContentType,
 ): Iwt2RoguelikeRunState {
   return {
+    bossIds: createRandomRoguelikeBossPair(),
     buffs: [],
     contentType,
     debuffs: [],
@@ -462,11 +511,17 @@ function applyRoguelikeChoice(
   return {
     ...run,
     ...nextBase,
+    bossIds: createRandomRoguelikeBossPair(),
     ...buildRoguelikeChoices(save, run.variant),
     stage: run.stage + 1,
   }
 }
 
+function createRandomRoguelikeBossPair(): Iwt2BossId[] {
+  const pool = Object.keys(IWT2_BOSS_METADATA) as Iwt2BossId[]
+  return chooseRunChoices(pool, 2)
+}
+
 function chooseRunChoices<T>(items: readonly T[], count: number): T[] {
   const pool = [...items]
   const choices: T[] = []

src/modes/iwt2/components/BossHud.tsx

@@ -2,16 +2,23 @@ import type { Iwt2BossEntityState } from '../sim'
 import { ArenaBar } from './ArenaBars'
 import { IWT2_BOSS_METADATA } from '../content/bosses'
 
-export function BossHud({ boss }: { boss: Iwt2BossEntityState }) {
+export function BossHud({ boss, bosses }: { boss?: Iwt2BossEntityState, bosses?: Iwt2BossEntityState[] }) {
-  const metadata = IWT2_BOSS_METADATA[boss.bossId]
+  const entries = bosses ?? (boss ? [boss] : [])
   return (
     <div className="iwt2-boss-hud">
-      <div>
+      {entries.map((entry) => {
-        <strong>{metadata.name}</strong>
+        const metadata = IWT2_BOSS_METADATA[entry.bossId]
-        <small>{Math.ceil(boss.health)} / {boss.maxHealth} HP</small>
+        return (
-      </div>
+          <div className="iwt2-boss-hud-row" key={entry.id}>
-      <small className="iwt2-boss-phase">{boss.attackPhase}</small>
+            <div>
-      <ArenaBar className="boss" current={boss.health} max={boss.maxHealth} />
+              <strong>{metadata.name}</strong>
+              <small>{Math.ceil(entry.health)} / {entry.maxHealth} HP</small>
+            </div>
+            <small className="iwt2-boss-phase">{entry.attackPhase}</small>
+            <ArenaBar className="boss" current={entry.health} max={entry.maxHealth} />
+          </div>
+        )
+      })}
     </div>
   )
 }

src/modes/iwt2/components/PartyFrames.tsx

@@ -27,6 +27,7 @@ export function PartyFrames({
           <button
             className={`iwt2-party-row ${targetBinding ? 'has-target-binding' : ''} ${selected ? 'game-selected selected' : ''}`}
             data-controller-nav="skip"
+            data-game-selected={selected ? 'true' : undefined}
             key={member.id}
             onClick={() => onTarget(member.id)}
             type="button"

src/modes/iwt2/render/scenes/BulldromeArenaScene.ts

@@ -83,7 +83,7 @@ export class BulldromeArenaScene extends Phaser.Scene {
     const graphics = this.entityGraphics!
     graphics.clear()
     for (const hazard of state.hazards) drawHazard(graphics, hazard)
-    const entities: DrawableEntity[] = [...state.party, ...state.hostileAdds, state.boss]
+    const entities: DrawableEntity[] = [...state.party, ...state.hostileAdds, ...state.bosses]
     const liveIds = new Set<string>(entities.map((entity) => entity.id))
 
     for (const entity of entities.sort(entitySort)) {

src/modes/iwt2/screens/BossArenaScreen.tsx

@@ -47,6 +47,7 @@ const OVERLAY_NAV_ENTRIES: OverlayNavEntry[] = [
 
 type BossArenaScreenProps = {
   bossId: Iwt2BossId
+  bossIds?: Iwt2BossId[]
   modeLabel?: string
   save: Iwt2Save
   onBack: () => void
@@ -61,12 +62,12 @@ type BossArenaScreenProps = {
   }
 }
 
-export function BossArenaScreen({ bossId, modeLabel, save, onBack, onSaveUpdated, roguelikeRun }: BossArenaScreenProps) {
+export function BossArenaScreen({ bossId, bossIds, modeLabel, save, onBack, onSaveUpdated, roguelikeRun }: BossArenaScreenProps) {
   const bossMetadata = IWT2_BOSS_METADATA[bossId]
   const pvpRoguelike = roguelikeRun?.variant === 'pvp'
-  const [arenaState, setArenaState] = useState<Iwt2ArenaState>(() => createInitialIwt2ArenaState(bossId))
+  const [arenaState, setArenaState] = useState<Iwt2ArenaState>(() => createInitialIwt2ArenaState(bossId, bossIds))
   const [opponentArenaState, setOpponentArenaState] = useState<Iwt2ArenaState | null>(() => (
-    pvpRoguelike ? createInitialIwt2ArenaState(bossId) : null
+    pvpRoguelike ? createInitialIwt2ArenaState(bossId, bossIds) : null
   ))
   const [abilityCooldowns, setAbilityCooldowns] = useState<Record<string, number>>({})
   const [status, setStatus] = useState<ArenaStatus>('playing')
@@ -78,7 +79,7 @@ export function BossArenaScreen({ bossId, modeLabel, save, onBack, onSaveUpdated
   const selectedOverlayActionRef = useRef<OverlayAction>(selectedOverlayAction)
   const selectedPartyIdRef = useRef<Iwt2EntityId>(selectedPartyId)
   const saveRef = useRef(save)
-  const killRecordedRef = useRef(false)
+  const recordedKillIdsRef = useRef<Set<Iwt2BossId>>(new Set())
   const lastPublishTimeRef = useRef(0)
   const lastHudSignatureRef = useRef('')
   const abilityCooldownsRef = useRef<Record<string, number>>({})
@@ -100,12 +101,6 @@ export function BossArenaScreen({ bossId, modeLabel, save, onBack, onSaveUpdated
     opponentStateRef.current = opponentArenaState
   }, [opponentArenaState])
 
-  useEffect(() => {
-    const nextOpponentState = pvpRoguelike ? createInitialIwt2ArenaState(bossId) : null
-    opponentStateRef.current = nextOpponentState
-    setOpponentArenaState(nextOpponentState)
-  }, [bossId, pvpRoguelike])
-
   useEffect(() => {
     statusRef.current = status
   }, [status])
@@ -123,9 +118,9 @@ export function BossArenaScreen({ bossId, modeLabel, save, onBack, onSaveUpdated
   }, [save])
 
   const resetArena = useCallback(() => {
-    const next = createInitialIwt2ArenaState(bossId)
+    const next = createInitialIwt2ArenaState(bossId, bossIds)
-    const nextOpponentState = pvpRoguelike ? createInitialIwt2ArenaState(bossId) : null
+    const nextOpponentState = pvpRoguelike ? createInitialIwt2ArenaState(bossId, bossIds) : null
-    killRecordedRef.current = false
+    recordedKillIdsRef.current = new Set()
     abilityCooldownsRef.current = {}
     lastHudSignatureRef.current = arenaHudSignature(next)
     stateRef.current = next
@@ -135,7 +130,7 @@ export function BossArenaScreen({ bossId, modeLabel, save, onBack, onSaveUpdated
     setAbilityCooldowns({})
     setSelectedOverlayAction('primary')
     setStatus('playing')
-  }, [bossId, pvpRoguelike])
+  }, [bossId, bossIds, pvpRoguelike])
 
   const showOverlay = useCallback((nextStatus: Exclude<ArenaStatus, 'playing'>) => {
     setSelectedOverlayAction('primary')
@@ -272,11 +267,20 @@ export function BossArenaScreen({ bossId, modeLabel, save, onBack, onSaveUpdated
       opponentStateRef.current = nextOpponentState
     }
 
-    if (next.boss.health <= 0 && !killRecordedRef.current) {
+    const newlyDefeatedBosses = next.bosses.filter((boss) => boss.health <= 0 && !recordedKillIdsRef.current.has(boss.bossId))
-      killRecordedRef.current = true
+    if (newlyDefeatedBosses.length > 0) {
-      const updatedSave = recordIwt2BossKill(saveRef.current, bossId)
+      const nextRecordedIds = new Set(recordedKillIdsRef.current)
+      let updatedSave = saveRef.current
+      for (const defeatedBoss of newlyDefeatedBosses) {
+        nextRecordedIds.add(defeatedBoss.bossId)
+        updatedSave = recordIwt2BossKill(updatedSave, defeatedBoss.bossId)
+      }
+      recordedKillIdsRef.current = nextRecordedIds
       saveRef.current = updatedSave
       onSaveUpdated(updatedSave)
+    }
+
+    if (next.bosses.every((boss) => boss.health <= 0)) {
       showOverlay('victory')
     } else if (next.party.every((member) => member.health <= 0)) {
       showOverlay('defeat')
@@ -286,7 +290,7 @@ export function BossArenaScreen({ bossId, modeLabel, save, onBack, onSaveUpdated
     if (
       hudSignature !== lastHudSignatureRef.current
       || next.time - lastPublishTimeRef.current >= 0.08
-      || next.boss.health <= 0
+      || next.bosses.some((boss) => boss.health <= 0)
     ) {
       lastHudSignatureRef.current = hudSignature
       lastPublishTimeRef.current = next.time
@@ -295,7 +299,7 @@ export function BossArenaScreen({ bossId, modeLabel, save, onBack, onSaveUpdated
       setAbilityCooldowns(abilityCooldownsRef.current)
     }
     return next
-  }, [bossId, onSaveUpdated, pvpRoguelike, showOverlay])
+  }, [onSaveUpdated, pvpRoguelike, showOverlay])
 
   const targetBindings = directPartyTargeting
     ? IWT2_TARGET_ACTIONS.map((action) => activeBindings[action] ?? null)
@@ -303,13 +307,15 @@ export function BossArenaScreen({ bossId, modeLabel, save, onBack, onSaveUpdated
   const playerMana = arenaState.party.find((member) => member.id === 'player-healer')?.mana ?? 0
   const alivePartyCount = arenaState.party.filter((member) => member.health > 0).length
   const totalPartyDamage = arenaState.party.reduce((total, member) => total + member.damageDone, 0)
+  const defeatedBossCount = arenaState.bosses.filter((boss) => boss.health <= 0).length
+  const bossTitle = formatBossEncounterTitle(arenaState.bosses)
   const overlayPrimaryLabel = status === 'paused'
     ? 'Resume'
     : status === 'victory' && roguelikeRun
       ? 'Choose Upgrade'
       : 'Restart'
   const overlayTitle = status === 'victory'
-    ? `${bossMetadata.name} Down`
+    ? `${bossTitle} Down`
     : status === 'defeat'
       ? 'Party Defeated'
       : 'Arena Paused'
@@ -337,7 +343,6 @@ export function BossArenaScreen({ bossId, modeLabel, save, onBack, onSaveUpdated
       abilities,
       arenaState,
       bindings: activeBindings,
-      bossMetadata,
       cooldowns: abilityCooldowns,
       controllerIconStyle,
       directPartyTargeting,
@@ -353,7 +358,6 @@ export function BossArenaScreen({ bossId, modeLabel, save, onBack, onSaveUpdated
       activeBindings,
       arenaState,
       abilityCooldowns,
-      bossMetadata,
       controllerIconStyle,
       directPartyTargeting,
       modeLabel,
@@ -375,7 +379,7 @@ export function BossArenaScreen({ bossId, modeLabel, save, onBack, onSaveUpdated
     >
       <section className="iwt2-arena-layout">
         <div className="iwt2-arena-stage">
-          <BossHud boss={arenaState.boss} />
+          <BossHud bosses={arenaState.bosses} />
           <PartyFrames
             controllerIconStyle={controllerIconStyle}
             onTarget={setSelectedPartyId}
@@ -399,6 +403,7 @@ export function BossArenaScreen({ bossId, modeLabel, save, onBack, onSaveUpdated
                 <button
                   className={selectedOverlayAction === 'primary' ? 'game-selected' : ''}
                   data-controller-nav="skip"
+                  data-game-selected={selectedOverlayAction === 'primary' ? 'true' : undefined}
                   onClick={() => activateOverlayAction('primary')}
                   onPointerDown={() => setSelectedOverlayAction('primary')}
                   type="button"
@@ -408,6 +413,7 @@ export function BossArenaScreen({ bossId, modeLabel, save, onBack, onSaveUpdated
                 <button
                   className={`secondary-result-button ${selectedOverlayAction === 'menu' ? 'game-selected' : ''}`}
                   data-controller-nav="skip"
+                  data-game-selected={selectedOverlayAction === 'menu' ? 'true' : undefined}
                   onClick={() => activateOverlayAction('menu')}
                   onPointerDown={() => setSelectedOverlayAction('menu')}
                   type="button"
@@ -422,7 +428,7 @@ export function BossArenaScreen({ bossId, modeLabel, save, onBack, onSaveUpdated
             <div className={`pause-screen iwt2-arena-overlay ${overlayTone}`} data-game-nav-active="true">
               <div className="iwt2-result-panel">
                 <div className="iwt2-result-crest" style={{ '--boss-color': bossMetadata.color, '--boss-accent': bossMetadata.accentColor } as CSSProperties}>
-                  <span>{bossMetadata.icon}</span>
+                  <span>{arenaState.bosses.map((boss) => IWT2_BOSS_METADATA[boss.bossId].icon).join('')}</span>
                 </div>
                 <p className="eyebrow">{overlayEyebrow}</p>
                 <h1>{overlayTitle}</h1>
@@ -440,6 +446,10 @@ export function BossArenaScreen({ bossId, modeLabel, save, onBack, onSaveUpdated
                     <strong>{alivePartyCount}/{arenaState.party.length}</strong>
                     Standing
                   </span>
+                  <span>
+                    <strong>{defeatedBossCount}/{arenaState.bosses.length}</strong>
+                    Bosses
+                  </span>
                   <span>
                     <strong>{Math.round(totalPartyDamage)}</strong>
                     Damage
@@ -447,9 +457,9 @@ export function BossArenaScreen({ bossId, modeLabel, save, onBack, onSaveUpdated
                 </div>
                 {status === 'victory' && (
                   <div className="iwt2-result-reward">
-                    <span>+125 XP</span>
+                    <span>+{arenaState.bosses.length * 125} XP</span>
-                    <span>Common carve</span>
+                    <span>{arenaState.bosses.length} carves</span>
-                    <span>Log +1</span>
+                    <span>Log +{arenaState.bosses.length}</span>
                   </div>
                 )}
                 <div className="iwt2-overlay-actions">
@@ -498,9 +508,11 @@ function formatArenaTime(seconds: number): string {
 
 function arenaHudSignature(state: Iwt2ArenaState): string {
   return [
-    state.boss.id,
+    ...state.bosses.map((boss) => [
-    Math.ceil(state.boss.health),
+      boss.id,
-    state.boss.attackPhase,
+      Math.ceil(boss.health),
+      boss.attackPhase,
+    ].join(':')),
     state.hostileAdds.length,
     state.hazards.length,
     ...state.party.map((member) => [
@@ -514,6 +526,12 @@ function arenaHudSignature(state: Iwt2ArenaState): string {
   ].join('|')
 }
 
+function formatBossEncounterTitle(bosses: Iwt2ArenaState['bosses']): string {
+  return bosses
+    .map((boss) => IWT2_BOSS_METADATA[boss.bossId].name)
+    .join(' + ')
+}
+
 function nextTargetId(state: Iwt2ArenaState, currentId: Iwt2EntityId, direction: -1 | 1): Iwt2EntityId {
   const living = state.party.filter((member) => member.health > 0)
   const targets = living.length > 0 ? living : state.party
@@ -586,7 +604,6 @@ function buildIwt2DualScreenCombatState({
   abilities,
   arenaState,
   bindings,
-  bossMetadata,
   cooldowns,
   controllerIconStyle,
   directPartyTargeting,
@@ -600,7 +617,6 @@ function buildIwt2DualScreenCombatState({
   abilities: Iwt2HealerAbility[]
   arenaState: Iwt2ArenaState
   bindings: DualScreenCombatState['bindings']
-  bossMetadata: (typeof IWT2_BOSS_METADATA)[Iwt2BossId]
   cooldowns: Record<string, number>
   controllerIconStyle: DualScreenCombatState['controllerIconStyle']
   directPartyTargeting: boolean
@@ -612,12 +628,15 @@ function buildIwt2DualScreenCombatState({
   status: ArenaStatus
 }): DualScreenCombatState {
   const opponentHealer = opponentArenaState?.party.find((member) => member.id === 'player-healer')
+  const arenaBossHealth = totalBossHealth(arenaState)
+  const arenaBossMaxHealth = totalBossMaxHealth(arenaState)
   const pvpOpponentState = roguelikeRun?.variant === 'pvp' && opponentArenaState
     ? {
         opponentBuffSummary: `Stage ${roguelikeRun.stage}`,
         opponentClassName: `CPU Healer | ${formatRoguelikeContentType(roguelikeRun.contentType)}`,
         opponentDebuffSummary: formatIwt2DebuffSummary(roguelikeRun.debuffs),
-        opponentEnemyHealth: opponentArenaState.boss.health,
+        opponentArena: toDualScreenOpponentArena(opponentArenaState),
+        opponentEnemyHealth: totalBossHealth(opponentArenaState),
         opponentMaxResource: opponentHealer?.maxMana ?? 100,
         opponentName: 'CPU Rival',
         opponentParty: opponentArenaState.party.map((member) => toDualScreenPartyMember(member, true)),
@@ -632,14 +651,14 @@ function buildIwt2DualScreenCombatState({
     controllerIconStyle,
     difficultyName: 'IWT2',
     directPartyTargeting,
-    dungeonName: `${bossMetadata.name} Arena`,
+    dungeonName: `${formatBossEncounterTitle(arenaState.bosses)} Arena`,
     encounterCount: 1,
     encounterDescription: arenaState.boss.attackPhase,
-    encounterHealth: arenaState.boss.health,
+    encounterHealth: arenaBossHealth,
     encounterIndex: 0,
     encounterIsBoss: true,
-    encounterMaxHealth: arenaState.boss.maxHealth,
+    encounterMaxHealth: arenaBossMaxHealth,
-    encounterName: bossMetadata.name,
+    encounterName: formatBossEncounterTitle(arenaState.bosses),
     floatingTexts: [],
     maxResource: 100,
     party: arenaState.party.map((member) => toDualScreenPartyMember(member)),
@@ -656,6 +675,48 @@ function buildIwt2DualScreenCombatState({
   }
 }
 
+function totalBossHealth(state: Iwt2ArenaState): number {
+  return state.bosses.reduce((total, boss) => total + Math.max(0, boss.health), 0)
+}
+
+function totalBossMaxHealth(state: Iwt2ArenaState): number {
+  return state.bosses.reduce((total, boss) => total + boss.maxHealth, 0)
+}
+
+function toDualScreenOpponentArena(state: Iwt2ArenaState): NonNullable<DualScreenCombatState['opponentArena']> {
+  return {
+    bounds: state.bounds,
+    bosses: state.bosses.map((boss) => {
+      const metadata = IWT2_BOSS_METADATA[boss.bossId]
+      return {
+        id: boss.id,
+        name: metadata.name,
+        icon: metadata.icon,
+        color: metadata.color,
+        x: boss.position.x,
+        y: boss.position.y,
+        radius: boss.radius,
+        health: boss.health,
+        maxHealth: boss.maxHealth,
+      }
+    }),
+    party: state.party.map((member) => {
+      const metadata = IWT2_CLASS_METADATA[member.classId]
+      return {
+        id: member.id,
+        icon: metadata.icon,
+        color: metadata.color,
+        x: member.position.x,
+        y: member.position.y,
+        radius: member.radius,
+        health: member.health,
+        maxHealth: member.maxHealth,
+        isHealer: member.id === 'player-healer',
+      }
+    }),
+  }
+}
+
 function toDualScreenPartyMember(member: Iwt2ArenaState['party'][number], opponent = false): PartyMember {
   const metadata = IWT2_CLASS_METADATA[member.classId]
   return {

src/modes/iwt2/screens/Iwt2ShellScreens.tsx

@@ -176,6 +176,7 @@ export function Iwt2ActionList({ actions }: Iwt2ActionListProps) {
         <button
           className={`iwt2-action-row ${selectedIndex === index ? 'game-selected selected' : ''}`}
           data-controller-nav="skip"
+          data-game-selected={selectedIndex === index ? 'true' : undefined}
           disabled={action.disabled}
           key={action.key}
           onClick={action.onConfirm}
@@ -292,6 +293,7 @@ export function Iwt2RoguelikeScreen({
   onContentTypeChange,
   onStart,
   onVariantChange,
+  queueMessage,
   variant,
 }: {
   contentType: Iwt2RoguelikeContentType
@@ -299,6 +301,7 @@ export function Iwt2RoguelikeScreen({
   onContentTypeChange: (contentType: Iwt2RoguelikeContentType) => void
   onStart: () => void
   onVariantChange: (variant: Iwt2RoguelikeVariant) => void
+  queueMessage?: string
   variant: Iwt2RoguelikeVariant
 }) {
   const gameMode = getGameMode()
@@ -403,6 +406,7 @@ export function Iwt2RoguelikeScreen({
         <button
           className={`back-button ${selected('back') ? 'game-selected' : ''}`}
           data-controller-nav="skip"
+          data-game-selected={selected('back') ? 'true' : undefined}
           onClick={onBack}
           onPointerDown={() => select('back')}
           type="button"
@@ -414,6 +418,7 @@ export function Iwt2RoguelikeScreen({
         <button
           className={`text-button ${variant === 'pve' ? 'active' : ''} ${selected('variant-pve') ? 'game-selected' : ''}`}
           data-controller-nav="skip"
+          data-game-selected={selected('variant-pve') ? 'true' : undefined}
           onClick={() => open('variant-pve')}
           onPointerDown={() => select('variant-pve')}
           type="button"
@@ -423,6 +428,7 @@ export function Iwt2RoguelikeScreen({
         <button
           className={`text-button ${variant === 'pvp' ? 'active' : ''} ${selected('variant-pvp') ? 'game-selected' : ''}`}
           data-controller-nav="skip"
+          data-game-selected={selected('variant-pvp') ? 'true' : undefined}
           onClick={() => open('variant-pvp')}
           onPointerDown={() => select('variant-pvp')}
           type="button"
@@ -441,6 +447,7 @@ export function Iwt2RoguelikeScreen({
               <button
                 className={`text-button ${contentType === 'dungeon' ? 'active' : ''} ${selected('pve-dungeon') ? 'game-selected' : ''}`}
                 data-controller-nav="skip"
+                data-game-selected={selected('pve-dungeon') ? 'true' : undefined}
                 onClick={() => open('pve-dungeon')}
                 onPointerDown={() => select('pve-dungeon')}
                 type="button"
@@ -450,6 +457,7 @@ export function Iwt2RoguelikeScreen({
               <button
                 className={`text-button ${contentType === 'raid' ? 'active' : ''} ${selected('pve-raid') ? 'game-selected' : ''}`}
                 data-controller-nav="skip"
+                data-game-selected={selected('pve-raid') ? 'true' : undefined}
                 onClick={() => open('pve-raid')}
                 onPointerDown={() => select('pve-raid')}
                 type="button"
@@ -467,6 +475,7 @@ export function Iwt2RoguelikeScreen({
             <button
               className={`text-button ${selected('pve-start') ? 'game-selected' : ''}`}
               data-controller-nav="skip"
+              data-game-selected={selected('pve-start') ? 'true' : undefined}
               onClick={() => open('pve-start')}
               onPointerDown={() => select('pve-start')}
               type="button"
@@ -487,6 +496,7 @@ export function Iwt2RoguelikeScreen({
               <button
                 className={`text-button ${contentType === 'dungeon' ? 'active' : ''} ${selected('pvp-dungeon') ? 'game-selected' : ''}`}
                 data-controller-nav="skip"
+                data-game-selected={selected('pvp-dungeon') ? 'true' : undefined}
                 onClick={() => open('pvp-dungeon')}
                 onPointerDown={() => select('pvp-dungeon')}
                 type="button"
@@ -496,6 +506,7 @@ export function Iwt2RoguelikeScreen({
               <button
                 className={`text-button ${contentType === 'raid' ? 'active' : ''} ${selected('pvp-raid') ? 'game-selected' : ''}`}
                 data-controller-nav="skip"
+                data-game-selected={selected('pvp-raid') ? 'true' : undefined}
                 onClick={() => open('pvp-raid')}
                 onPointerDown={() => select('pvp-raid')}
                 type="button"
@@ -505,6 +516,7 @@ export function Iwt2RoguelikeScreen({
               <button
                 className={`text-button ${contentType === 'stadium' ? 'active' : ''} ${selected('pvp-stadium') ? 'game-selected' : ''}`}
                 data-controller-nav="skip"
+                data-game-selected={selected('pvp-stadium') ? 'true' : undefined}
                 onClick={() => open('pvp-stadium')}
                 onPointerDown={() => select('pvp-stadium')}
                 type="button"
@@ -517,11 +529,12 @@ export function Iwt2RoguelikeScreen({
             <span>{gameMode === 'offline' ? 'C' : 'Q'}</span>
             <div>
               <strong>{pvpCardTitle}</strong>
-              <small>{pvpCardCopy}</small>
+              <small>{queueMessage || pvpCardCopy}</small>
             </div>
             <button
               className={`text-button ${selected('pvp-start') ? 'game-selected' : ''}`}
               data-controller-nav="skip"
+              data-game-selected={selected('pvp-start') ? 'true' : undefined}
               onClick={() => open('pvp-start')}
               onPointerDown={() => select('pvp-start')}
               type="button"
@@ -652,7 +665,7 @@ export function Iwt2RoguelikeUpgradeScreen({
       setSelectedIndex((current) => moveUpgradeSelection(entries, current, action))
       return
     }
-    if ((action === 'back' || action === 'pause') && !pvpUpgrade) {
+    if (action === 'back' || action === 'pause') {
       onBack()
     }
   })
@@ -682,6 +695,7 @@ export function Iwt2RoguelikeUpgradeScreen({
                 <button
                   className={`${activeBuffId === choice.id && pvpUpgrade ? 'selected-upgrade' : ''} ${entrySelected('upgradeBuff', index) ? 'game-selected' : ''}`}
                   data-controller-nav="skip"
+                  data-game-selected={entrySelected('upgradeBuff', index) ? 'true' : undefined}
                   key={choice.id}
                   onClick={() => {
                     if (pvpUpgrade) setSelectedBuffId(choice.id)
@@ -704,6 +718,7 @@ export function Iwt2RoguelikeUpgradeScreen({
                   <button
                     className={`${activeDebuffId === choice.id ? 'selected-upgrade' : ''} ${entrySelected('upgradeDebuff', index) ? 'game-selected' : ''}`}
                     data-controller-nav="skip"
+                    data-game-selected={entrySelected('upgradeDebuff', index) ? 'true' : undefined}
                     key={choice.id}
                     onClick={() => setSelectedDebuffId(choice.id)}
                     onPointerDown={() => setCursor('upgradeDebuff', index)}
@@ -731,6 +746,7 @@ export function Iwt2RoguelikeUpgradeScreen({
           <button
             className={`secondary-result-button ${entrySelected('upgradeContinue') ? 'game-selected' : ''}`}
             data-controller-nav="skip"
+            data-game-selected={entrySelected('upgradeContinue') ? 'true' : undefined}
             disabled={!activeBuffId || !activeDebuffId}
             onClick={() => {
               if (activeBuffId && activeDebuffId) onChoose(activeBuffId, activeDebuffId)
@@ -744,6 +760,7 @@ export function Iwt2RoguelikeUpgradeScreen({
           <button
             className={`secondary-result-button ${entrySelected('upgradeLeave') ? 'game-selected' : ''}`}
             data-controller-nav="skip"
+            data-game-selected={entrySelected('upgradeLeave') ? 'true' : undefined}
             onClick={onBack}
             onPointerDown={() => setCursor('upgradeLeave')}
             type="button"

src/modes/iwt2/sim/arena.ts

@@ -2,8 +2,10 @@ import { IWT2_BOSS_METADATA, type Iwt2BossId } from '../content/bosses'
 import { IWT2_CLASS_METADATA } from '../content/classes'
 import type {
   Iwt2ArenaEvent,
+  Iwt2ArenaIndicator,
   Iwt2ArenaInput,
   Iwt2ArenaState,
+  Iwt2BossEntityState,
   Iwt2EntityId,
   Iwt2GroundHazardState,
   Iwt2HostileAddState,
@@ -33,6 +35,7 @@ const MAX_DT = 1 / 15
 const MAX_EVENTS = 80
 const HEALER_MANA_REGEN_PER_SECOND = 3
 const BOSS_PROJECTILE_BOUNCE_COOLDOWN_SECONDS = 0.22
+const IWT2_ARENA_BOSS_IDS: Iwt2BossId[] = ['bulldrome', 'yian-kut-ku', 'great-jaggi', 'khezu']
 
 type InitialPartyMember = {
   id: Iwt2PartyEntityId
@@ -53,8 +56,9 @@ const INITIAL_PARTY: InitialPartyMember[] = [
   { id: 'warrior', classId: 'warrior', aiRole: 'melee', x: 515, y: 310, preferredOffset: { x: -18, y: 64 }, decisionOffset: 0.24 },
 ]
 
-export function createInitialIwt2ArenaState(bossId: Iwt2BossId = 'bulldrome'): Iwt2ArenaState {
+export function createInitialIwt2ArenaState(bossId: Iwt2BossId = 'bulldrome', bossIds?: Iwt2BossId[]): Iwt2ArenaState {
-  const bossMetadata = IWT2_BOSS_METADATA[bossId]
+  const initialBossIds = bossIds?.length ? bossIds.slice(0, 2) : chooseInitialBossIds(bossId)
+  const bosses = initialBossIds.map((id, index) => createBossEntity(id, index))
   return {
     schemaVersion: 1,
     time: 0,
@@ -64,33 +68,8 @@ export function createInitialIwt2ArenaState(bossId: Iwt2BossId = 'bulldrome'): I
     hostileAdds: [],
     hazards: [],
     indicators: [],
-    boss: {
+    boss: bosses[0],
-      id: bossId,
+    bosses,
-      kind: 'boss',
-      bossId,
-      position: { x: 640, y: 250 },
-      velocity: { x: 0, y: 0 },
-      facing: { x: -1, y: 0 },
-      radius: bossMetadata.radius,
-      health: bossMetadata.maxHealth,
-      maxHealth: bossMetadata.maxHealth,
-      meleeCooldownRemaining: 0.6,
-      chargeCooldownRemaining: initialBossSpecialCooldown(bossId),
-      chargeCount: 0,
-      attackPhase: 'idle',
-      phaseSecondsRemaining: 0,
-      chargeStart: { x: 640, y: 250 },
-      chargeEnd: { x: 640, y: 250 },
-      chargeHitEntityIds: [],
-      slamApplied: false,
-      wallContactSeconds: 0,
-      relocateTarget: { x: DEFAULT_ARENA_WIDTH * 0.58, y: DEFAULT_ARENA_HEIGHT * 0.5 },
-      fireballCooldownRemaining: initialBossSecondaryCooldown(bossId),
-      fireballTarget: { x: 320, y: 250 },
-      birdWaveThresholdsTriggered: [],
-      mechanicLanes: [],
-      mechanicCircles: [],
-    },
     nextEventId: 1,
     nextProjectileId: 1,
     nextAddId: 1,
@@ -99,6 +78,51 @@ export function createInitialIwt2ArenaState(bossId: Iwt2BossId = 'bulldrome'): I
   }
 }
 
+function chooseInitialBossIds(primaryBossId: Iwt2BossId): Iwt2BossId[] {
+  const remaining = IWT2_ARENA_BOSS_IDS.filter((id) => id !== primaryBossId)
+  const random = remaining[Math.floor(Math.random() * remaining.length)] ?? primaryBossId
+  return [primaryBossId, random]
+}
+
+function createBossEntity(bossId: Iwt2BossId, index: number): Iwt2BossEntityState {
+  const bossMetadata = IWT2_BOSS_METADATA[bossId]
+  const position = initialBossPosition(index)
+  return {
+    id: bossId,
+    kind: 'boss',
+    bossId,
+    position,
+    velocity: { x: 0, y: 0 },
+    facing: { x: -1, y: 0 },
+    radius: bossMetadata.radius,
+    health: bossMetadata.maxHealth,
+    maxHealth: bossMetadata.maxHealth,
+    meleeCooldownRemaining: 0.6 + index * 0.25,
+    chargeCooldownRemaining: initialBossSpecialCooldown(bossId) + index * 0.7,
+    chargeCount: 0,
+    attackPhase: 'idle',
+    phaseSecondsRemaining: 0,
+    chargeStart: { ...position },
+    chargeEnd: { ...position },
+    chargeHitEntityIds: [],
+    slamApplied: false,
+    wallContactSeconds: 0,
+    relocateTarget: { x: DEFAULT_ARENA_WIDTH * 0.58, y: DEFAULT_ARENA_HEIGHT * 0.5 + (index === 0 ? -64 : 64) },
+    fireballCooldownRemaining: initialBossSecondaryCooldown(bossId) + index * 0.7,
+    fireballTarget: { x: 320, y: 250 },
+    birdWaveThresholdsTriggered: [],
+    mechanicLanes: [],
+    mechanicCircles: [],
+  }
+}
+
+function initialBossPosition(index: number) {
+  return {
+    x: index === 0 ? 660 : 760,
+    y: index === 0 ? 190 : 345,
+  }
+}
+
 function initialBossSpecialCooldown(bossId: Iwt2BossId): number {
   if (bossId === 'bulldrome') return 2
   if (bossId === 'great-jaggi') return 2.4
@@ -128,13 +152,13 @@ export function tickIwt2Arena(state: Iwt2ArenaState, input: Iwt2ArenaInput, dt:
   }
   const separatedState = {
     ...baseState,
-    party: separatePartyFromBoss(baseState.party, baseState),
+    party: separatePartyFromBosses(baseState.party, baseState),
   }
-  const bossResult = tickBoss(separatedState, step)
+  const bossResult = tickBosses(separatedState, step)
   const projectileResult = advanceProjectiles(
     [...separatedState.projectiles, ...(bossResult.projectiles ?? [])],
     bossResult.party,
-    bossResult.boss,
+    bossResult.bosses,
     bossResult.hostileAdds ?? separatedState.hostileAdds,
     bossResult.hazards ?? separatedState.hazards,
     bossResult.nextHazardId ?? state.nextHazardId,
@@ -151,7 +175,7 @@ export function tickIwt2Arena(state: Iwt2ArenaState, input: Iwt2ArenaInput, dt:
   })
   const damageResult = applyPartyAttacks(
     hazardResult.party,
-    projectileResult.boss,
+    projectileResult.bosses,
     projectileResult.hostileAdds,
     separatedState.time,
     projectileResult.nextProjectileId,
@@ -164,7 +188,8 @@ export function tickIwt2Arena(state: Iwt2ArenaState, input: Iwt2ArenaInput, dt:
   )
   return {
     ...separatedState,
-    boss: damageResult.boss,
+    boss: getPrimaryBoss(damageResult.bosses),
+    bosses: damageResult.bosses,
     indicators: [...bossResult.indicators, ...createHazardIndicators(hazardResult.hazards)],
     party: finalParty,
     hostileAdds: damageResult.hostileAdds,
@@ -274,14 +299,69 @@ function clampInputAxis(value: number): number {
   return Math.min(1, Math.max(-1, value))
 }
 
-function separatePartyFromBoss(party: Iwt2PartyEntityState[], state: Iwt2ArenaState): Iwt2PartyEntityState[] {
+function tickBosses(state: Iwt2ArenaState, dt: number) {
+  let nextParty = state.party
+  let nextHostileAdds = state.hostileAdds
+  let nextHazards = state.hazards
+  let nextProjectileId = state.nextProjectileId
+  let nextAddId = state.nextAddId
+  let nextHazardId = state.nextHazardId
+  const bosses: Iwt2BossEntityState[] = []
+  const projectiles: Iwt2ProjectileEntityState[] = []
+  const events: Iwt2ArenaEvent[] = []
+  const indicators: Iwt2ArenaIndicator[] = []
+
+  for (const boss of state.bosses) {
+    const bossState = {
+      ...state,
+      boss,
+      party: nextParty,
+      hostileAdds: nextHostileAdds,
+      hazards: nextHazards,
+      nextProjectileId,
+      nextAddId,
+      nextHazardId,
+    }
+    const result = tickBoss(bossState, dt)
+    bosses.push(result.boss)
+    nextParty = result.party
+    nextHostileAdds = result.hostileAdds ?? nextHostileAdds
+    nextHazards = result.hazards ?? nextHazards
+    nextProjectileId = result.nextProjectileId ?? nextProjectileId
+    nextAddId = result.nextAddId ?? nextAddId
+    nextHazardId = result.nextHazardId ?? nextHazardId
+    projectiles.push(...(result.projectiles ?? []))
+    events.push(...result.events)
+    indicators.push(...result.indicators)
+  }
+
+  return {
+    bosses,
+    boss: getPrimaryBoss(bosses),
+    party: nextParty,
+    hostileAdds: nextHostileAdds,
+    hazards: nextHazards,
+    projectiles,
+    events,
+    indicators,
+    nextAddId,
+    nextHazardId,
+    nextProjectileId,
+  }
+}
+
+function separatePartyFromBosses(party: Iwt2PartyEntityState[], state: Iwt2ArenaState): Iwt2PartyEntityState[] {
   return party.map((member) => {
     if (member.health <= 0) return member
-    const position = separateCircles(
+    let position = member.position
-      { position: member.position, radius: member.radius },
+    for (const boss of state.bosses) {
-      { position: state.boss.position, radius: state.boss.radius },
+      if (boss.health <= 0) continue
-      state.bounds,
+      position = separateCircles(
-    )
+        { position, radius: member.radius },
+        { position: boss.position, radius: boss.radius },
+        state.bounds,
+      )
+    }
     return { ...member, position }
   })
 }
@@ -289,7 +369,7 @@ function separatePartyFromBoss(party: Iwt2PartyEntityState[], state: Iwt2ArenaSt
 function advanceProjectiles(
   projectiles: Iwt2ProjectileEntityState[],
   party: Iwt2PartyEntityState[],
-  boss: Iwt2ArenaState['boss'],
+  bosses: Iwt2BossEntityState[],
   hostileAdds: Iwt2HostileAddState[],
   hazards: Iwt2GroundHazardState[],
   nextHazardId: number,
@@ -298,7 +378,7 @@ function advanceProjectiles(
   time: number,
   dt: number,
 ): {
-  boss: Iwt2ArenaState['boss']
+  bosses: Iwt2BossEntityState[]
   party: Iwt2PartyEntityState[]
   hostileAdds: Iwt2HostileAddState[]
   hazards: Iwt2GroundHazardState[]
@@ -308,7 +388,7 @@ function advanceProjectiles(
   events: Iwt2ArenaEvent[]
 } {
   const events: Iwt2ArenaEvent[] = []
-  let nextBoss = boss
+  let nextBosses = bosses
   let nextParty = party
   let nextHostileAdds = hostileAdds
   let nextHazards = hazards
@@ -334,7 +414,7 @@ function advanceProjectiles(
       continue
     }
 
-    if (nextBoss.health <= 0 && nextHostileAdds.every((add) => add.health <= 0)) continue
+    if (nextBosses.every((boss) => boss.health <= 0) && nextHostileAdds.every((add) => add.health <= 0)) continue
     const nextPosition = {
       x: projectile.position.x + projectile.velocity.x * dt,
       y: projectile.position.y + projectile.velocity.y * dt,
@@ -371,28 +451,31 @@ function advanceProjectiles(
       continue
     }
 
-    if (distanceVec2(nextPosition, nextBoss.position) <= nextBoss.radius + projectile.radius) {
+    const hitBoss = nextBosses.find((boss) => (
-      const damage = Math.min(projectile.damage, nextBoss.health)
+      boss.health > 0
-      nextBoss = {
+      && distanceVec2(nextPosition, boss.position) <= boss.radius + projectile.radius
-        ...nextBoss,
+    ))
-        health: Math.max(0, nextBoss.health - damage),
+    if (hitBoss) {
-      }
+      const damage = Math.min(projectile.damage, hitBoss.health)
+      nextBosses = nextBosses.map((boss) => boss.id === hitBoss.id
+        ? { ...boss, health: Math.max(0, boss.health - damage) }
+        : boss)
       nextParty = addDamageDone(nextParty, projectile.sourceId, damage)
       events.push({
         id: 0,
         time,
         type: 'bossDamaged',
         sourceId: projectile.sourceId,
-        targetId: nextBoss.id,
+        targetId: hitBoss.id,
         value: damage,
       })
-      if (nextBoss.health <= 0) {
+      if (hitBoss.health - damage <= 0) {
         events.push({
           id: 0,
           time,
           type: 'entityDefeated',
           sourceId: projectile.sourceId,
-          targetId: nextBoss.id,
+          targetId: hitBoss.id,
         })
       }
       continue
@@ -405,7 +488,7 @@ function advanceProjectiles(
   }
 
   return {
-    boss: nextBoss,
+    bosses: nextBosses,
     party: nextParty,
     hostileAdds: nextHostileAdds,
     hazards: nextHazards,
@@ -536,12 +619,12 @@ function advanceBossProjectile({
 
 function applyPartyAttacks(
   party: Iwt2PartyEntityState[],
-  boss: Iwt2ArenaState['boss'],
+  bosses: Iwt2BossEntityState[],
   hostileAdds: Iwt2HostileAddState[],
   time: number,
   nextProjectileId: number,
 ): {
-  boss: Iwt2ArenaState['boss']
+  bosses: Iwt2BossEntityState[]
   party: Iwt2PartyEntityState[]
   hostileAdds: Iwt2HostileAddState[]
   projectiles: Iwt2ProjectileEntityState[]
@@ -550,13 +633,13 @@ function applyPartyAttacks(
 } {
   const events: Iwt2ArenaEvent[] = []
   const projectiles: Iwt2ProjectileEntityState[] = []
-  let nextBoss = boss
+  let nextBosses = bosses
   let nextHostileAdds = hostileAdds
   let projectileId = nextProjectileId
   const nextParty = party.map((member) => {
-    const target = getPriorityAttackTarget(member, nextBoss, nextHostileAdds)
+    const target = getPriorityAttackTarget(member, nextBosses, nextHostileAdds)
     if (!target) return member
-    if (!canPartyMemberHitTarget(member, target.position)) return member
+    if (!canPartyMemberHitTarget(member, target.position, target.radius)) return member
     const metadata = IWT2_CLASS_METADATA[member.classId]
     if (metadata.projectileSpeed > 0) {
       if (!member.attackReady) return member
@@ -587,7 +670,9 @@ function applyPartyAttacks(
     if (member.attackCooldownRemaining > 0) return member
     const damage = Math.min(metadata.attackDamage, target.health)
     if (target.kind === 'boss') {
-      nextBoss = { ...nextBoss, health: Math.max(0, nextBoss.health - damage) }
+      nextBosses = nextBosses.map((boss) => boss.id === target.id
+        ? { ...boss, health: Math.max(0, boss.health - damage) }
+        : boss)
     } else {
       nextHostileAdds = nextHostileAdds.map((add) => add.id === target.id
         ? { ...add, health: Math.max(0, add.health - damage) }
@@ -622,7 +707,7 @@ function applyPartyAttacks(
     }
   })
   return {
-    boss: nextBoss,
+    bosses: nextBosses,
     party: nextParty,
     hostileAdds: nextHostileAdds.filter((add) => add.health > 0),
     projectiles,
@@ -633,9 +718,9 @@ function applyPartyAttacks(
 
 function getPriorityAttackTarget(
   member: Iwt2PartyEntityState,
-  boss: Iwt2ArenaState['boss'],
+  bosses: Iwt2BossEntityState[],
   hostileAdds: Iwt2HostileAddState[],
-): (Iwt2ArenaState['boss'] | Iwt2HostileAddState) | undefined {
+): (Iwt2BossEntityState | Iwt2HostileAddState) | undefined {
   if (member.health <= 0) return undefined
   const livingAdds = hostileAdds.filter((add) => add.health > 0)
   if (livingAdds.length > 0) {
@@ -643,7 +728,15 @@ function getPriorityAttackTarget(
       distanceVec2(member.position, add.position) < distanceVec2(member.position, best.position) ? add : best
     ), livingAdds[0])
   }
-  return boss.health > 0 ? boss : undefined
+  const livingBosses = bosses.filter((boss) => boss.health > 0)
+  if (livingBosses.length === 0) return undefined
+  return livingBosses.reduce((best, boss) => (
+    distanceVec2(member.position, boss.position) < distanceVec2(member.position, best.position) ? boss : best
+  ), livingBosses[0])
+}
+
+function getPrimaryBoss(bosses: Iwt2BossEntityState[]): Iwt2BossEntityState {
+  return bosses.find((boss) => boss.health > 0) ?? bosses[0]
 }
 
 function addDamageDone(

src/modes/iwt2/sim/arenaState.ts

@@ -54,8 +54,8 @@ export type Iwt2ArenaState = Iwt2CoreArenaState & {
   telegraphs: Iwt2ArenaTelegraph[]
 }
 
-export function createInitialIwt2ArenaState(bossId?: Iwt2BossId): Iwt2ArenaState {
+export function createInitialIwt2ArenaState(bossId?: Iwt2BossId, bossIds?: Iwt2BossId[]): Iwt2ArenaState {
-  return decorateArenaState(createCoreIwt2ArenaState(bossId))
+  return decorateArenaState(createCoreIwt2ArenaState(bossId, bossIds))
 }
 
 export function tickIwt2Arena(state: Iwt2ArenaState, input: Iwt2ArenaInput, dt: number): Iwt2ArenaState {
@@ -69,7 +69,7 @@ export function decorateArenaState(state: Iwt2CoreArenaState): Iwt2ArenaState {
     entities: [
       ...state.party.map(toArenaEntity),
       ...state.hostileAdds.map(toHostileAddArenaEntity),
-      toBossArenaEntity(state.boss),
+      ...state.bosses.map(toBossArenaEntity),
     ],
     telegraphs: createTelegraphs(state.indicators),
   }

src/modes/iwt2/sim/partyAi.ts

@@ -18,6 +18,7 @@ const CENTER_LEASH_BOSS_IDS = new Set(['great-jaggi', 'khezu'])
 const CENTER_LEASH_START_DISTANCE = 230
 const CENTER_LEASH_WALL_MARGIN = 96
 const CENTER_LEASH_EXTRA_DISTANCE = 36
+const PARTY_ARRIVAL_RADIUS = 3.5
 
 export function tickPartyMember(
   member: Iwt2PartyEntityState,
@@ -68,7 +69,7 @@ export function tickPartyMember(
   const canCast = member.aiRole === 'ranged'
     && attackCooldownRemaining <= 0
     && !!attackTarget
-    && canPartyMemberHitTarget({ ...member, attackCooldownRemaining, castSecondsRemaining }, attackTarget.position)
+    && canPartyMemberHitTarget({ ...member, attackCooldownRemaining, castSecondsRemaining }, attackTarget.position, attackTarget.radius)
   if (!dangerDestination && member.aiRole === 'ranged' && (member.castSecondsRemaining > 0 || canCast)) {
     const nextCastSecondsRemaining = member.castSecondsRemaining > 0
       ? castSecondsRemaining
@@ -76,7 +77,7 @@ export function tickPartyMember(
     return {
       ...member,
       velocity: { x: 0, y: 0 },
-      facing: withFallbackFacing(subtractVec2(attackTarget?.position ?? state.boss.position, member.position), member.facing),
+      facing: withFallbackFacing(subtractVec2(attackTarget?.position ?? getPrimaryBoss(state).position, member.position), member.facing),
       attackCooldownRemaining,
       castSecondsRemaining: nextCastSecondsRemaining,
       attackReady: member.castSecondsRemaining > 0 && nextCastSecondsRemaining <= 0,
@@ -85,15 +86,21 @@ export function tickPartyMember(
   }
 
   const decisionSecondsRemaining = Math.max(0, member.decisionSecondsRemaining - dt)
-  const desired = dangerDestination ?? getPartyDesiredPosition(member, state, decisionSecondsRemaining)
+  const desired = dangerDestination ?? getPartyDesiredPosition(member, state)
   const maxDistance = metadata.moveSpeed * dt
-  const position = clampVec2ToArena(moveToward(member.position, desired, maxDistance), member.radius, state.bounds)
+  const distanceToDesired = distanceVec2(member.position, desired)
-  const velocity = scaleVec2(subtractVec2(position, member.position), dt > 0 ? 1 / dt : 0)
+  const movingToDesired = distanceToDesired > PARTY_ARRIVAL_RADIUS
+  const position = movingToDesired
+    ? clampVec2ToArena(moveToward(member.position, desired, maxDistance), member.radius, state.bounds)
+    : member.position
+  const velocity = movingToDesired
+    ? scaleVec2(subtractVec2(position, member.position), dt > 0 ? 1 / dt : 0)
+    : { x: 0, y: 0 }
   return {
     ...member,
     position,
     velocity,
-    facing: withFallbackFacing(subtractVec2(attackTarget?.position ?? state.boss.position, position), member.facing),
+    facing: withFallbackFacing(subtractVec2(attackTarget?.position ?? getPrimaryBoss(state).position, position), member.facing),
     attackCooldownRemaining,
     castSecondsRemaining: 0,
     attackReady: false,
@@ -104,22 +111,21 @@ export function tickPartyMember(
   }
 }
 
-export function canPartyMemberHitTarget(member: Iwt2PartyEntityState, targetPosition: Iwt2Vec2): boolean {
+export function canPartyMemberHitTarget(member: Iwt2PartyEntityState, targetPosition: Iwt2Vec2, targetRadius = 0): boolean {
   if (member.health <= 0) return false
   if (member.status.stunnedSeconds > 0 || member.status.knockedDownSeconds > 0) return false
   const metadata = IWT2_CLASS_METADATA[member.classId]
   if (metadata.attackDamage <= 0) return false
-  return distanceVec2(member.position, targetPosition) <= metadata.attackRange + member.radius
+  return distanceVec2(member.position, targetPosition) <= metadata.attackRange + member.radius + targetRadius
 }
 
 function getPartyDesiredPosition(
   member: Iwt2PartyEntityState,
   state: Iwt2ArenaState,
-  decisionSecondsRemaining: number,
 ): Iwt2Vec2 {
-  const drift = decisionSecondsRemaining <= 0 ? decisionDrift(member, state.time) : { x: 0, y: 0 }
+  const drift = decisionDrift(member, state.time)
   const attackTarget = getPriorityAttackTarget(member, state)
-  const anchor = attackTarget?.position ?? state.boss.position
+  const anchor = attackTarget?.position ?? getPrimaryBoss(state).position
   const centerLeash = getTankCenterLeashPosition(member, state)
   if (centerLeash) return centerLeash
   return {
@@ -132,21 +138,22 @@ function getTankCenterLeashPosition(
   member: Iwt2PartyEntityState,
   state: Iwt2ArenaState,
 ): Iwt2Vec2 | null {
-  if (member.aiRole !== 'tank' || !CENTER_LEASH_BOSS_IDS.has(state.boss.bossId)) return null
+  const boss = getPrimaryBoss(state)
+  if (member.aiRole !== 'tank' || !CENTER_LEASH_BOSS_IDS.has(boss.bossId)) return null
 
   const center = arenaCenter(state)
-  const bossCenterDistance = distanceVec2(state.boss.position, center)
+  const bossCenterDistance = distanceVec2(boss.position, center)
-  const nearWall = isBossNearWall(state)
+  const nearWall = isBossNearWall(boss, state)
   if (!nearWall && bossCenterDistance < CENTER_LEASH_START_DISTANCE) return null
 
-  const bossMetadata = IWT2_BOSS_METADATA[state.boss.bossId]
+  const bossMetadata = IWT2_BOSS_METADATA[boss.bossId]
-  const towardCenter = withFallbackFacing(subtractVec2(center, state.boss.position), {
+  const towardCenter = withFallbackFacing(subtractVec2(center, boss.position), {
-    x: state.boss.position.x < center.x ? 1 : -1,
+    x: boss.position.x < center.x ? 1 : -1,
-    y: state.boss.position.y < center.y ? 0.35 : -0.35,
+    y: boss.position.y < center.y ? 0.35 : -0.35,
   })
-  const leashDistance = bossMetadata.meleeRange + state.boss.radius + member.radius + CENTER_LEASH_EXTRA_DISTANCE
+  const leashDistance = bossMetadata.meleeRange + boss.radius + member.radius + CENTER_LEASH_EXTRA_DISTANCE
   return clampVec2ToArena(
-    addVec2(state.boss.position, scaleVec2(towardCenter, leashDistance)),
+    addVec2(boss.position, scaleVec2(towardCenter, leashDistance)),
     member.radius,
     state.bounds,
   )
@@ -159,39 +166,41 @@ function arenaCenter(state: Iwt2ArenaState): Iwt2Vec2 {
   }
 }
 
-function isBossNearWall(state: Iwt2ArenaState): boolean {
+function isBossNearWall(boss: Iwt2ArenaState['boss'], state: Iwt2ArenaState): boolean {
-  const margin = state.boss.radius + CENTER_LEASH_WALL_MARGIN
+  const margin = boss.radius + CENTER_LEASH_WALL_MARGIN
   return (
-    state.boss.position.x <= margin
+    boss.position.x <= margin
-    || state.boss.position.x >= state.bounds.width - margin
+    || boss.position.x >= state.bounds.width - margin
-    || state.boss.position.y <= margin
+    || boss.position.y <= margin
-    || state.boss.position.y >= state.bounds.height - margin
+    || boss.position.y >= state.bounds.height - margin
   )
 }
 
 function getDangerAvoidancePosition(member: Iwt2PartyEntityState, state: Iwt2ArenaState): Iwt2Vec2 | null {
-  const boss = state.boss
   const hazardEscape = getHazardAvoidancePosition(member, state)
   if (hazardEscape) {
     return hazardEscape
   }
 
-  if (boss.bossId === 'bulldrome' && (boss.attackPhase === 'slamWindup' || boss.attackPhase === 'slamRecover')) {
+  for (const boss of state.bosses) {
-    const distance = distanceVec2(member.position, boss.position)
+    if (boss.health <= 0) continue
-    const dangerRadius = BULLDROME_BOSS_METADATA.slamRadius + member.radius + 34
+    if (boss.bossId === 'bulldrome' && (boss.attackPhase === 'slamWindup' || boss.attackPhase === 'slamRecover')) {
-    if (distance < dangerRadius) {
+      const distance = distanceVec2(member.position, boss.position)
-      const away = normalizeVec2(subtractVec2(member.position, boss.position))
+      const dangerRadius = BULLDROME_BOSS_METADATA.slamRadius + member.radius + 34
-      return clampVec2ToArena(addVec2(member.position, scaleVec2(away, dangerRadius - distance + 40)), member.radius, state.bounds)
+      if (distance < dangerRadius) {
+        const away = normalizeVec2(subtractVec2(member.position, boss.position))
+        return clampVec2ToArena(addVec2(member.position, scaleVec2(away, dangerRadius - distance + 40)), member.radius, state.bounds)
+      }
     }
-  }
 
-  if (boss.bossId === 'bulldrome' && (boss.attackPhase === 'chargeWindup' || boss.attackPhase === 'charging')) {
+    if (boss.bossId === 'bulldrome' && (boss.attackPhase === 'chargeWindup' || boss.attackPhase === 'charging')) {
-    const danger = chargeDanger(member.position, state)
+      const danger = chargeDanger(member.position, boss)
-    if (danger.inside || danger.ahead) {
+      if (danger.inside || danger.ahead) {
-      const perpendicular = { x: -danger.direction.y, y: danger.direction.x }
+        const perpendicular = { x: -danger.direction.y, y: danger.direction.x }
-      const side = dotVec2(subtractVec2(member.position, boss.chargeStart), perpendicular) >= 0 ? 1 : -1
+        const side = dotVec2(subtractVec2(member.position, boss.chargeStart), perpendicular) >= 0 ? 1 : -1
-      const escape = addVec2(member.position, scaleVec2(perpendicular, side * (boss.radius * 2.8 + member.radius)))
+        const escape = addVec2(member.position, scaleVec2(perpendicular, side * (boss.radius * 2.8 + member.radius)))
-      return clampVec2ToArena(escape, member.radius, state.bounds)
+        return clampVec2ToArena(escape, member.radius, state.bounds)
+      }
     }
   }
 
@@ -208,7 +217,7 @@ function getHazardAvoidancePosition(member: Iwt2PartyEntityState, state: Iwt2Are
     const dangerRadius = hazard.radius + member.radius + 46
     if (distance >= dangerRadius) continue
 
-    const fallback = withFallbackFacing(subtractVec2(member.position, state.boss.position), {
+    const fallback = withFallbackFacing(subtractVec2(member.position, getPrimaryBoss(state).position), {
       x: member.position.x < state.bounds.width * 0.5 ? -1 : 1,
       y: member.position.y < state.bounds.height * 0.5 ? -0.35 : 0.35,
     })
@@ -242,11 +251,14 @@ function getPriorityAttackTarget(
       distanceVec2(member.position, add.position) < distanceVec2(member.position, best.position) ? add : best
     ), livingAdds[0])
   }
-  return state.boss.health > 0 ? state.boss : undefined
+  const livingBosses = state.bosses.filter((boss) => boss.health > 0)
+  if (livingBosses.length === 0) return undefined
+  return livingBosses.reduce((best, boss) => (
+    distanceVec2(member.position, boss.position) < distanceVec2(member.position, best.position) ? boss : best
+  ), livingBosses[0])
 }
 
-function chargeDanger(position: Iwt2Vec2, state: Iwt2ArenaState) {
+function chargeDanger(position: Iwt2Vec2, boss: Iwt2ArenaState['boss']) {
-  const boss = state.boss
   const segment = subtractVec2(boss.chargeEnd, boss.chargeStart)
   const lengthSq = Math.max(1, lengthSqVec2(segment))
   const direction = normalizeVec2(segment)
@@ -262,6 +274,10 @@ function chargeDanger(position: Iwt2Vec2, state: Iwt2ArenaState) {
   }
 }
 
+function getPrimaryBoss(state: Iwt2ArenaState) {
+  return state.bosses.find((boss) => boss.health > 0) ?? state.bosses[0] ?? state.boss
+}
+
 function decisionDrift(member: Iwt2PartyEntityState, time: number): Iwt2Vec2 {
   const seed = member.id.length * 17
   return {

src/modes/iwt2/sim/types.ts

@@ -256,6 +256,7 @@ export type Iwt2ArenaState = {
   hostileAdds: Iwt2HostileAddState[]
   hazards: Iwt2GroundHazardState[]
   boss: Iwt2BossEntityState
+  bosses: Iwt2BossEntityState[]
   indicators: Iwt2ArenaIndicator[]
   nextEventId: number
   nextProjectileId: number