diff --git a/lib/src/core/animation/canvas/canvas_battle_composer.dart b/lib/src/core/animation/canvas/canvas_battle_composer.dart
index 269ecbc..3b01b51 100644
--- a/lib/src/core/animation/canvas/canvas_battle_composer.dart
+++ b/lib/src/core/animation/canvas/canvas_battle_composer.dart
@@ -263,8 +263,9 @@ class CanvasBattleComposer {
 
     final cells = _spriteToCells(effectLines);
 
-    // 캐릭터 3줄 기준, 머리 위치
-    final effectY = frameHeight - 3 - 1;
+    // 이펙트 높이에 따른 동적 Y 위치 (캔버스 하단 기준)
+    final effectHeight = effectLines.length;
+    final effectY = frameHeight - effectHeight - 1;
 
     return AsciiLayer(
       cells: cells,