Add Lucheng pursuit chapter

src/game/scenes/BattleScene.ts

@@ -6571,13 +6571,15 @@ export class BattleScene extends Phaser.Scene {
       'northern-fifth',
       'northern-sixth',
       'northern-seventh',
-      'northern-eighth'
+      'northern-eighth',
+      'northern-ninth'
     ];
     if (lateNorthernPrefixes.some((prefix) => enemy.id.startsWith(prefix))) {
       if (
         enemy.id.includes('-scout') ||
         enemy.id.includes('-cavalry') ||
-        enemy.id === 'northern-eighth-officer-zhang-he'
+        enemy.id === 'northern-eighth-officer-zhang-he' ||
+        enemy.id === 'northern-ninth-officer-zhang-he'
       ) {
         return 'aggressive';
       }