diff --git a/src/net/torvald/terrarum/IngameInstance.kt b/src/net/torvald/terrarum/IngameInstance.kt
index f9099d3ba..a6c06afa6 100644
--- a/src/net/torvald/terrarum/IngameInstance.kt
+++ b/src/net/torvald/terrarum/IngameInstance.kt
@@ -139,8 +139,8 @@ open class IngameInstance(val batch: FlippingSpriteBatch, val isMultiplayer: Boo
     val actorContainerActive = SortedArrayList<Actor>(ACTORCONTAINER_INITIAL_SIZE)
     val actorContainerInactive = SortedArrayList<Actor>(ACTORCONTAINER_INITIAL_SIZE)
 
-    val actorAdditionQueue = ArrayList<Pair<Actor, Throwable>>()
-    val actorRemovalQueue = ArrayList<Pair<Actor, Throwable>>()
+    val actorAdditionQueue = ArrayList<Triple<Actor, Throwable, (Actor) -> Unit>>() // actor, stacktrace object, onSpawn
+    val actorRemovalQueue = ArrayList<Triple<Actor, Throwable, (Actor) -> Unit>>() // actor, stacktrace object, onDespawn
 
     /**
      * ## BIG NOTE: Calculated actor distance is the **Euclidean distance SQUARED**
@@ -357,7 +357,12 @@ open class IngameInstance(val batch: FlippingSpriteBatch, val isMultiplayer: Boo
      */
     open fun queueActorRemoval(actor: Actor?) {
         if (actor == null) return
-        actorRemovalQueue.add(actor to StackTraceRecorder())
+        actorRemovalQueue.add(Triple(actor, StackTraceRecorder(), {}))
+    }
+
+    open fun queueActorRemoval(actor: Actor?, onDespawn: (Actor) -> Unit) {
+        if (actor == null) return
+        actorRemovalQueue.add(Triple(actor, StackTraceRecorder(), onDespawn))
     }
 
     protected open fun forceRemoveActor(actor: Actor, caller: Throwable = StackTraceRecorder()) {
@@ -386,11 +391,16 @@ open class IngameInstance(val batch: FlippingSpriteBatch, val isMultiplayer: Boo
      * If the actor is null, this function will do nothing.
      */
     open fun queueActorAddition(actor: Actor?) {
-//        printdbg(this, "New actor $actor")
         if (actor == null) return
-        actorAdditionQueue.add(actor to StackTraceRecorder())
+        actorAdditionQueue.add(Triple(actor, StackTraceRecorder(), {}))
     }
 
+    open fun queueActorAddition(actor: Actor?, onSpawn: (Actor) -> Unit) {
+        if (actor == null) return
+        actorAdditionQueue.add(Triple(actor, StackTraceRecorder(), onSpawn))
+    }
+
+
     fun isActive(ID: Int): Boolean =
             if (actorContainerActive.size == 0)
                 false
diff --git a/src/net/torvald/terrarum/modulebasegame/TerrarumIngame.kt b/src/net/torvald/terrarum/modulebasegame/TerrarumIngame.kt
index ecb8cd5a5..887ce4d5a 100644
--- a/src/net/torvald/terrarum/modulebasegame/TerrarumIngame.kt
+++ b/src/net/torvald/terrarum/modulebasegame/TerrarumIngame.kt
@@ -913,7 +913,10 @@ open class TerrarumIngame(batch: FlippingSpriteBatch) : IngameInstance(batch) {
 
             // process actor addition requests
             val addCueCpy = actorAdditionQueue.toList()
-            addCueCpy.forEach { forceAddActor(it.first, it.second) }
+            addCueCpy.forEach {
+                forceAddActor(it.first, it.second)
+                it.third(it.first)
+            }
             actorAdditionQueue.removeAll(addCueCpy)
             // determine whether the inactive actor should be activated
             wakeDormantActors()
@@ -923,7 +926,10 @@ open class TerrarumIngame(batch: FlippingSpriteBatch) : IngameInstance(batch) {
             killOrKnockdownActors()
             // process actor removal requests
             val remCueCpy = actorRemovalQueue.toList()
-            remCueCpy.forEach { forceRemoveActor(it.first, it.second) }
+            remCueCpy.forEach {
+                forceRemoveActor(it.first, it.second)
+                it.third(it.first)
+            }
             actorRemovalQueue.removeAll(remCueCpy)
             // update particles
             particlesContainer.toList().forEach { if (!it.flagDespawn) particlesActive++; it.update(delta) }
diff --git a/src/net/torvald/terrarum/modulebasegame/gameactors/ActorLobbed.kt b/src/net/torvald/terrarum/modulebasegame/gameactors/ActorLobbed.kt
index 5e69424ed..ba207708b 100644
--- a/src/net/torvald/terrarum/modulebasegame/gameactors/ActorLobbed.kt
+++ b/src/net/torvald/terrarum/modulebasegame/gameactors/ActorLobbed.kt
@@ -12,6 +12,7 @@ import net.torvald.terrarum.gameactors.Lightbox
 import net.torvald.terrarum.gameactors.PhysProperties
 import net.torvald.terrarum.modulebasegame.ExplosionManager
 import kotlin.math.log10
+import kotlin.math.pow
 
 /**
  * Created by minjaesong on 2024-07-12.
@@ -20,10 +21,11 @@ open class ActorLobbed(throwPitch: Float) : ActorWithBody() {
 
     protected constructor() : this(1f)
 
+    @Transient private val pitch = throwPitch.coerceIn(0.5f, 2f)
     @Transient private val whooshSound = MusicContainer(
         "throw_low_short", ModMgr.getFile("basegame", "audio/effects/throwing/throw_low_short.wav"),
         toRAM = true,
-        samplingRateOverride = 48000f * throwPitch.coerceIn(0.5f, 2f)
+        samplingRateOverride = 48000f * pitch
     )
 
     init {
@@ -38,7 +40,8 @@ open class ActorLobbed(throwPitch: Float) : ActorWithBody() {
         super.updateImpl(delta)
         if (!soundFired) {
             soundFired = true
-            startAudio(whooshSound, 1.0)
+            val amp = 1.65 * (pitch - 0.495)
+            startAudio(whooshSound, amp)
         }
     }
 }