diff --git a/source/core/assets/sounds/mobBoss/demonSpawnSlime.mp3 b/source/core/assets/sounds/mobBoss/demonSpawnSlime.mp3
new file mode 100644
index 000000000..9d5a095d4
Binary files /dev/null and b/source/core/assets/sounds/mobBoss/demonSpawnSlime.mp3 differ
diff --git a/source/core/assets/sounds/mobBoss/spawnDemonSlime.mp3 b/source/core/assets/sounds/mobBoss/spawnDemonSlime.mp3
index 3809ced3b..872bbdd8e 100644
Binary files a/source/core/assets/sounds/mobBoss/spawnDemonSlime.mp3 and b/source/core/assets/sounds/mobBoss/spawnDemonSlime.mp3 differ
diff --git a/source/core/src/main/com/csse3200/game/components/tasks/bosstask/DemonBossTask.java b/source/core/src/main/com/csse3200/game/components/tasks/bosstask/DemonBossTask.java
index dfcf006bd..f8661c8ca 100644
--- a/source/core/src/main/com/csse3200/game/components/tasks/bosstask/DemonBossTask.java
+++ b/source/core/src/main/com/csse3200/game/components/tasks/bosstask/DemonBossTask.java
@@ -469,6 +469,7 @@ public void run() {
 
     private void spawnDemonSlimes() {
         for (int i = 0; i < SLIMES_SPAWNED; i++) {
+            demon.getEvents().trigger("spawn_demon_slime");
             int finalI = i;
             Timer.schedule(new Timer.Task() {
                 @Override
@@ -488,7 +489,6 @@ public void run() {
                     y = demon.getPosition().y;
                 }
 
-                demon.getEvents().trigger("spawn_demon_slime");
                 Vector2 spawnLocation = new Vector2(x, y);
                 slime.setPosition(spawnLocation);
                 ServiceLocator.getEntityService().register(slime);