diff --git a/scripts/qa-representative-battles.mjs b/scripts/qa-representative-battles.mjs
index 912d970..d4c90f2 100644
--- a/scripts/qa-representative-battles.mjs
+++ b/scripts/qa-representative-battles.mjs
@@ -109,7 +109,7 @@ const earlyCampaignBattles = [
     no: 6,
     id: 'sixth-battle-jieqiao-relief',
     selected: coreBrothers,
-    targets: ['jieqiao-guard-a', 'jieqiao-guard-b', 'jieqiao-archer-c', 'jieqiao-leader-qu-yi'],
+    targets: ['jieqiao-leader-qu-yi'],
     protected: ['liu-bei']
   },
   {
@@ -1210,6 +1210,13 @@ async function playBattleWithoutDebugVictory(page, battle) {
 
       function canTakeAttack(unit, attack, threat = protectedIds.has(unit.id) ? incomingThreat(unit, unit) : 0) {
         if (!protectedIds.has(unit.id)) {
+          const kill = attack.preview.damage >= attack.target.hp;
+          if (unit.hp <= Math.ceil(unit.maxHp * 0.35)) {
+            return kill && threat <= Math.floor(unit.hp * 0.4);
+          }
+          if (unit.hp <= Math.ceil(unit.maxHp * 0.55)) {
+            return kill || threat <= Math.floor(unit.hp * 0.5);
+          }
           return true;
         }
         const pressProtected = shouldPressProtected(unit);
@@ -1253,14 +1260,13 @@ async function playBattleWithoutDebugVictory(page, battle) {
           .map((tile) =>
             withUnitAt(unit, tile, () => {
               const attack = attackChoice(unit);
-              return attack ? { tile, attack, threat: protectedIds.has(unit.id) ? incomingThreat(unit, tile) : 0 } : undefined;
+              const needsThreatCheck = protectedIds.has(unit.id) || unit.hp <= Math.ceil(unit.maxHp * 0.55);
+              return attack ? { tile, attack, threat: needsThreatCheck ? incomingThreat(unit, tile) : 0 } : undefined;
             })
           )
           .filter(Boolean);
 
-        const preferredAttackingTiles = protectedIds.has(unit.id)
-          ? attackingTiles.filter((entry) => canTakeAttack(unit, entry.attack, entry.threat))
-          : attackingTiles;
+        const preferredAttackingTiles = attackingTiles.filter((entry) => canTakeAttack(unit, entry.attack, entry.threat));
 
         if (preferredAttackingTiles.length > 0 && (!protectedIds.has(unit.id) || unit.hp >= Math.ceil(unit.maxHp * 0.45))) {
           return preferredAttackingTiles.sort((a, b) => {
diff --git a/src/game/data/battles.ts b/src/game/data/battles.ts
index 45e01ad..575cb0a 100644
--- a/src/game/data/battles.ts
+++ b/src/game/data/battles.ts
@@ -869,7 +869,7 @@ export const fifthBattleScenario: BattleScenarioDefinition = {
   openingObjectiveLines: [
     '반동탁 연합으로 향하는 길목을 동탁군 장수 호진이 막고 있습니다. 호진을 격파하면 사수관 앞 전초 진지가 흔들립니다.',
     '중앙 길은 빠르지만 궁병과 기병의 반격을 받기 쉽습니다. 숲길 척후를 처리하고 요새 주변을 차근히 압박하십시오.',
-    '14턴 이내에 승리하면 공손찬 진영에서 세 형제의 무공이 더 크게 알려집니다.'
+    '16턴 이내에 승리하면 공손찬 진영에서 세 형제의 무공이 더 크게 알려집니다.'
   ],
   tacticalGuide: {
     summary: '반동탁 연합으로 향하는 길목에서 호진의 전초 진지를 무너뜨리는 전투입니다.',
@@ -922,7 +922,7 @@ export const fifthBattleScenario: BattleScenarioDefinition = {
   bonds: fifthBattleBonds,
   mapTextureKey: 'battle-map-fifth',
   leaderUnitId: 'sishui-leader-hu-zhen',
-  quickVictoryTurnLimit: 14,
+  quickVictoryTurnLimit: 16,
   baseVictoryGold: 760,
   objectives: [
     {
@@ -951,9 +951,9 @@ export const fifthBattleScenario: BattleScenarioDefinition = {
     {
       id: 'quick',
       kind: 'quick-victory',
-      label: '14턴 이내 승리',
+      label: '16턴 이내 승리',
       rewardGold: 230,
-      maxTurn: 14
+      maxTurn: 16
     }
   ],
   defeatConditions: [{ kind: 'unit-defeated', unitId: 'liu-bei' }],
@@ -1020,9 +1020,9 @@ export const sixthBattleScenario: BattleScenarioDefinition = {
       { label: '안전 지휘', classKeys: ['lord'], reason: '유비는 후방 배치로 생존과 지휘를 동시에 챙깁니다.' }
     ],
     deploymentSlots: [
-      { role: 'front', unitId: 'guan-yu', x: 3, y: 16, label: '강가 전열' },
-      { role: 'flank', unitId: 'zhang-fei', x: 2, y: 17, label: '측면 대응' },
-      { role: 'support', unitId: 'liu-bei', x: 2, y: 16, label: '후방 지휘' }
+      { role: 'front', unitId: 'guan-yu', x: 3, y: 15, label: '강가 전열' },
+      { role: 'flank', unitId: 'zhang-fei', x: 2, y: 16, label: '측면 대응' },
+      { role: 'support', unitId: 'liu-bei', x: 2, y: 15, label: '후방 지휘' }
     ],
     note: '계교 원군로는 빠른 압박보다 길목 안정이 중요합니다. 유비를 보호하고 관우와 장비로 먼저 맞받으십시오.'
   },
diff --git a/src/game/data/scenario.ts b/src/game/data/scenario.ts
index 5ccd0dc..7c5f2a3 100644
--- a/src/game/data/scenario.ts
+++ b/src/game/data/scenario.ts
@@ -6373,9 +6373,9 @@ export const fifthBattleUnits: UnitData[] = [
 ];
 
 const sixthBattleAllyPositions: Record<string, { x: number; y: number }> = {
-  'liu-bei': { x: 2, y: 16 },
-  'guan-yu': { x: 3, y: 16 },
-  'zhang-fei': { x: 2, y: 17 }
+  'liu-bei': { x: 2, y: 15 },
+  'guan-yu': { x: 3, y: 15 },
+  'zhang-fei': { x: 2, y: 16 }
 };
 
 export const sixthBattleUnits: UnitData[] = [
@@ -6453,11 +6453,11 @@ export const sixthBattleUnits: UnitData[] = [
     classKey: 'cavalry',
     level: 7,
     exp: 40,
-    hp: 37,
-    maxHp: 37,
-    attack: 12,
-    move: 5,
-    stats: { might: 78, intelligence: 42, leadership: 60, agility: 78, luck: 52 },
+    hp: 35,
+    maxHp: 35,
+    attack: 11,
+    move: 4,
+    stats: { might: 76, intelligence: 42, leadership: 59, agility: 76, luck: 52 },
     equipment: {
       weapon: { itemId: 'yellow-turban-saber', level: 2, exp: 18 },
       armor: { itemId: 'rebel-vest', level: 2, exp: 8 },
@@ -6516,11 +6516,11 @@ export const sixthBattleUnits: UnitData[] = [
     classKey: 'cavalry',
     level: 7,
     exp: 42,
-    hp: 38,
-    maxHp: 38,
-    attack: 12,
-    move: 5,
-    stats: { might: 79, intelligence: 42, leadership: 61, agility: 79, luck: 52 },
+    hp: 35,
+    maxHp: 35,
+    attack: 10,
+    move: 4,
+    stats: { might: 76, intelligence: 42, leadership: 60, agility: 76, luck: 52 },
     equipment: {
       weapon: { itemId: 'yellow-turban-saber', level: 2, exp: 20 },
       armor: { itemId: 'rebel-vest', level: 2, exp: 8 },
@@ -6558,11 +6558,11 @@ export const sixthBattleUnits: UnitData[] = [
     classKey: 'cavalry',
     level: 7,
     exp: 44,
-    hp: 34,
-    maxHp: 34,
-    attack: 10,
-    move: 5,
-    stats: { might: 80, intelligence: 43, leadership: 62, agility: 80, luck: 53 },
+    hp: 31,
+    maxHp: 31,
+    attack: 9,
+    move: 4,
+    stats: { might: 77, intelligence: 43, leadership: 61, agility: 77, luck: 53 },
     equipment: {
       weapon: { itemId: 'yellow-turban-saber', level: 2, exp: 22 },
       armor: { itemId: 'rebel-vest', level: 2, exp: 10 },
diff --git a/src/game/scenes/BattleScene.ts b/src/game/scenes/BattleScene.ts
index 8a0414f..21367b0 100644
--- a/src/game/scenes/BattleScene.ts
+++ b/src/game/scenes/BattleScene.ts
@@ -1708,6 +1708,18 @@ const enemyAiByUnitId: Record<string, EnemyAiBehavior> = {
   'xuzhou-guard-b': 'guard',
   'xuzhou-archer-c': 'hold',
   'xuzhou-leader-xiahou-dun': 'guard',
+  'jieqiao-skirmisher-a': 'aggressive',
+  'jieqiao-infantry-a': 'guard',
+  'jieqiao-archer-a': 'hold',
+  'jieqiao-cavalry-a': 'aggressive',
+  'jieqiao-skirmisher-b': 'guard',
+  'jieqiao-archer-b': 'hold',
+  'jieqiao-cavalry-b': 'hold',
+  'jieqiao-guard-a': 'guard',
+  'jieqiao-cavalry-c': 'guard',
+  'jieqiao-guard-b': 'guard',
+  'jieqiao-archer-c': 'hold',
+  'jieqiao-leader-qu-yi': 'guard',
   'xiaopei-raider-a': 'guard',
   'xiaopei-raider-b': 'guard',
   'xiaopei-infantry-a': 'guard',