diff --git a/public/audio/bgm/end.mp3 b/public/audio/bgm/end.mp3
index c37973fd9cc..fa33f890dc3 100644
Binary files a/public/audio/bgm/end.mp3 and b/public/audio/bgm/end.mp3 differ
diff --git a/src/field/arena.ts b/src/field/arena.ts
index acdf6171474..67b83e9518f 100644
--- a/src/field/arena.ts
+++ b/src/field/arena.ts
@@ -766,6 +766,8 @@ export class Arena {
         return 0.000;
       case Biome.SNOWY_FOREST:
         return 3.047;
+      case Biome.END:
+        return 17.153;
       default:
         console.warn(`missing bgm loop-point for biome "${Biome[this.biomeType]}" (=${this.biomeType})`);
         return 0;