diff --git a/src/main/java/emu/lunarcore/GameConstants.java b/src/main/java/emu/lunarcore/GameConstants.java
index 9a62095..7642849 100644
--- a/src/main/java/emu/lunarcore/GameConstants.java
+++ b/src/main/java/emu/lunarcore/GameConstants.java
@@ -33,6 +33,9 @@ public class GameConstants {
     public static final int MATERIAL_COIN_ID = 2; // Material id for credits. DO NOT CHANGE
     public static final int TRAILBLAZER_EXP_ID = 22;
     
+    // Battle
+    public static final int BATTLE_AMBUSH_BUFF_ID = 1000102;
+    
     // Gacha
     public static final int GACHA_CEILING_MAX = 300; // Yes, I know this is in an excel
     
diff --git a/src/main/java/emu/lunarcore/game/battle/BattleService.java b/src/main/java/emu/lunarcore/game/battle/BattleService.java
index 951f21b..40cff57 100644
--- a/src/main/java/emu/lunarcore/game/battle/BattleService.java
+++ b/src/main/java/emu/lunarcore/game/battle/BattleService.java
@@ -4,6 +4,7 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;
 
+import emu.lunarcore.GameConstants;
 import emu.lunarcore.data.GameData;
 import emu.lunarcore.data.excel.CocoonExcel;
 import emu.lunarcore.data.excel.StageExcel;
@@ -130,6 +131,9 @@ public class BattleService extends BaseGameService {
                         buff.addDynamicValue("SkillIndex", castedSkill.getIndex());
                     }
                 }
+            } else {
+                // Ambush buff (for monsters)
+                battle.addBuff(GameConstants.BATTLE_AMBUSH_BUFF_ID, -1, 1);
             }
             
             // Challenge