Buffs from using techniques to attack monsters now apply to all monster waves

src/main/java/emu/lunarcore/game/battle/Battle.java

@@ -74,6 +74,16 @@ public class Battle {
         }
     }
     
+    public int getMonsterWaveCount() {
+        int count = 0;
+        
+        for (StageExcel stage : stages) {
+            count += stage.getMonsterWaves().size();
+        }
+        
+        return count;
+    }
+    
     public MazeBuff addBuff(int buffId, int ownerIndex) {
         return addBuff(buffId, ownerIndex, 0xffffffff);
     }
@@ -98,16 +108,13 @@ public class Battle {
                 .setBattleId(this.getId())
                 .setLogicRandomSeed(Utils.randomRange(1, Short.MAX_VALUE))
                 .setWorldLevel(player.getWorldLevel());
-        
+
-        // Init variables
-        int waveId = 0;
-        
         // Add monster waves from stages
         for (StageExcel stage : stages) {
             // Build monster waves
             for (IntList sceneMonsterWave : stage.getMonsterWaves()) {
                 var wave = SceneMonsterWave.newInstance()
-                        .setWaveId(++waveId)
+                        .setWaveId(1) // Probably not named correctly
                         .setStageId(stage.getId());
                 
                 for (int monsterId : sceneMonsterWave) {

src/main/java/emu/lunarcore/game/battle/skills/MazeSkillAddBuff.java

@@ -22,8 +22,12 @@ public class MazeSkillAddBuff extends MazeSkillAction {
     
     @Override
     public void onAttack(GameAvatar caster, Battle battle) {
-        // TODO add buff for each monster wave
+        // Get amount of monster waves in battle
-        battle.addBuff(buffId, caster.getOwner().getLineupManager().getCurrentLeader(), 1);
+        int waveCount = battle.getMonsterWaveCount();
+        // Add buff for each wave id
+        for (int i = 0; i < waveCount; i++) {
+            battle.addBuff(buffId, caster.getOwner().getLineupManager().getCurrentLeader(), 1 << i);
+        }
     }
     
 }