diff --git a/ModuleComputers/src/net/torvald/terrarum/modulecomputers/EntryPoint.kt b/ModuleComputers/src/net/torvald/terrarum/modulecomputers/EntryPoint.kt
index 8a361d8b7..ea918e443 100644
--- a/ModuleComputers/src/net/torvald/terrarum/modulecomputers/EntryPoint.kt
+++ b/ModuleComputers/src/net/torvald/terrarum/modulecomputers/EntryPoint.kt
@@ -12,6 +12,7 @@ class EntryPoint : ModuleEntryPoint() {
 
     override fun invoke() {
         ModMgr.GameItemLoader.invoke(moduleName)
+        ModMgr.GameWatchdogLoader.register(moduleName, NetFrameWatchdog())
         println("[${moduleName[0].toUpperCase()}${moduleName.substring(1)}] Dirtboard(tm) go drrrrr")
     }
 
diff --git a/ModuleComputers/src/net/torvald/terrarum/modulecomputers/NetFrameWatchdog.kt b/ModuleComputers/src/net/torvald/terrarum/modulecomputers/NetFrameWatchdog.kt
new file mode 100644
index 000000000..1e5e3fc8f
--- /dev/null
+++ b/ModuleComputers/src/net/torvald/terrarum/modulecomputers/NetFrameWatchdog.kt
@@ -0,0 +1,17 @@
+package net.torvald.terrarum.modulecomputers
+
+import net.torvald.terrarum.App
+import net.torvald.terrarum.gameworld.GameWorld
+import net.torvald.terrarum.modulebasegame.TerrarumWorldWatchdog
+import net.torvald.terrarum.modulebasegame.gameworld.NetRunner
+
+/**
+ * Created by minjaesong on 2025-03-02.
+ */
+class NetFrameWatchdog : TerrarumWorldWatchdog(App.TICK_SPEED * 60) {
+    override fun invoke(world: GameWorld) {
+        (world.extraFields["tokenring"] as NetRunner).let {
+            it.purgeDeadFrames()
+        }
+    }
+}
\ No newline at end of file
diff --git a/ModuleComputers/src/net/torvald/terrarum/modulecomputers/gameactors/FixtureRingBusExerciser.kt b/ModuleComputers/src/net/torvald/terrarum/modulecomputers/gameactors/FixtureRingBusExerciser.kt
index e6d960986..3192a807c 100644
--- a/ModuleComputers/src/net/torvald/terrarum/modulecomputers/gameactors/FixtureRingBusExerciser.kt
+++ b/ModuleComputers/src/net/torvald/terrarum/modulecomputers/gameactors/FixtureRingBusExerciser.kt
@@ -40,11 +40,18 @@ class FixtureRingBusExerciser : Electric {
 
     init {
         setEmitterAndSink()
+
+        if (!INGAME.world.extraFields.containsKey("tokenring")) {
+            INGAME.world.extraFields["tokenring"] = NetRunner()
+        }
     }
 
     override fun reload() {
         super.reload()
         setEmitterAndSink()
+        if (!INGAME.world.extraFields.containsKey("tokenring")) {
+            INGAME.world.extraFields["tokenring"] = NetRunner()
+        }
     }
 
     private val msgQueue = Queue<Pair<Int, String>>()
diff --git a/src/net/torvald/terrarum/ModMgr.kt b/src/net/torvald/terrarum/ModMgr.kt
index 93292a025..4ad9b0806 100644
--- a/src/net/torvald/terrarum/ModMgr.kt
+++ b/src/net/torvald/terrarum/ModMgr.kt
@@ -19,6 +19,7 @@ import net.torvald.terrarum.itemproperties.ItemCodex
 import net.torvald.terrarum.itemproperties.MaterialCodex
 import net.torvald.terrarum.langpack.Lang
 import net.torvald.terrarum.modulebasegame.TerrarumIngame
+import net.torvald.terrarum.modulebasegame.TerrarumWorldWatchdog
 import net.torvald.terrarum.modulebasegame.gameitems.BlockBase
 import net.torvald.terrarum.modulebasegame.worldgenerator.OregenParams
 import net.torvald.terrarum.modulebasegame.worldgenerator.Worldgen
@@ -892,6 +893,14 @@ object ModMgr {
             guis.add(uiCreationFun)
         }
     }
+
+    object GameWatchdogLoader {
+        internal val watchdogs = TreeMap<String, TerrarumWorldWatchdog>()
+
+        @JvmStatic fun register(moduleName: String, watchdog: TerrarumWorldWatchdog) {
+            watchdogs["$moduleName.${watchdog.javaClass.simpleName}"] = watchdog
+        }
+    }
 }
 
 private class JarFileLoader(urls: Array<URL>) : URLClassLoader(urls) {
diff --git a/src/net/torvald/terrarum/modulebasegame/TerrarumIngame.kt b/src/net/torvald/terrarum/modulebasegame/TerrarumIngame.kt
index 7cc7ad13f..d166e2092 100644
--- a/src/net/torvald/terrarum/modulebasegame/TerrarumIngame.kt
+++ b/src/net/torvald/terrarum/modulebasegame/TerrarumIngame.kt
@@ -668,6 +668,10 @@ open class TerrarumIngame(batch: FlippingSpriteBatch) : IngameInstance(batch) {
             uiContainer.add(it(this))
         }
 
+        ModMgr.GameWatchdogLoader.watchdogs.forEach {
+            registerWatchdog(it.key, it.value)
+        }
+
         // these need to appear on top of any others
         uiContainer.add(notifier)
 
@@ -878,6 +882,12 @@ open class TerrarumIngame(batch: FlippingSpriteBatch) : IngameInstance(batch) {
 
     private var deltaTeeCleared = false
 
+    private val terrarumWorldWatchdogs = TreeMap<String, TerrarumWorldWatchdog>()
+
+    fun registerWatchdog(identifier: String, watchdog: TerrarumWorldWatchdog) {
+        terrarumWorldWatchdogs[identifier] = watchdog
+    }
+
     /**
      * Ingame (world) related updates; UI update must go to renderGame()
      */
@@ -896,8 +906,6 @@ open class TerrarumIngame(batch: FlippingSpriteBatch) : IngameInstance(batch) {
 
             //hypothetical_input_capturing_function_if_you_finally_decided_to_forgo_gdx_input_processor_and_implement_your_own_to_synchronise_everything()
 
-            WorldSimulator.resetForThisFrame()
-
 
             ////////////////////////////
             // camera-related updates //
@@ -964,6 +972,13 @@ open class TerrarumIngame(batch: FlippingSpriteBatch) : IngameInstance(batch) {
                     fillUpWirePortsView(fixtures)
                 }
             }
+            terrarumWorldWatchdogs.entries.forEach {
+                measureDebugTime("Ingame.Watchdog.${it.key}*") {
+                    if (WORLD_UPDATE_TIMER % it.value.runIntervalByTick.toLong() == 0L) {
+                        it.value(world)
+                    }
+                }
+            }
             oldCamX = WorldCamera.x
             oldPlayerX = actorNowPlaying?.hitbox?.canonicalX ?: 0.0
 
diff --git a/src/net/torvald/terrarum/modulebasegame/TerrarumWorldWatchdog.kt b/src/net/torvald/terrarum/modulebasegame/TerrarumWorldWatchdog.kt
new file mode 100644
index 000000000..2d544d8db
--- /dev/null
+++ b/src/net/torvald/terrarum/modulebasegame/TerrarumWorldWatchdog.kt
@@ -0,0 +1,12 @@
+package net.torvald.terrarum.modulebasegame
+
+import net.torvald.terrarum.gameworld.GameWorld
+
+/**
+ * @param runIntervalByTick how often should the watchdog run. 1: every single tick, 2: every other tick, 60: every second (if tickrate is 60)
+ *
+ * Created by minjaesong on 2025-03-02
+ */
+abstract class TerrarumWorldWatchdog(val runIntervalByTick: Int) {
+    abstract operator fun invoke(world: GameWorld)
+}
diff --git a/src/net/torvald/terrarum/modulebasegame/WorldSimulator.kt b/src/net/torvald/terrarum/modulebasegame/WorldSimulator.kt
index 918ae9e2e..7b9f1460e 100644
--- a/src/net/torvald/terrarum/modulebasegame/WorldSimulator.kt
+++ b/src/net/torvald/terrarum/modulebasegame/WorldSimulator.kt
@@ -69,11 +69,6 @@ object WorldSimulator {
     private val world: GameWorld
             get() = ingame.world
 
-
-    fun resetForThisFrame() {
-
-    }
-
     private val rng = HQRNG()
 
     /** Must be called BEFORE the actors update -- actors depend on the R-Tree for various things */
diff --git a/src/net/torvald/terrarum/modulebasegame/gameworld/NetRunner.kt b/src/net/torvald/terrarum/modulebasegame/gameworld/NetRunner.kt
index 70c2a3598..c6d5bb14a 100644
--- a/src/net/torvald/terrarum/modulebasegame/gameworld/NetRunner.kt
+++ b/src/net/torvald/terrarum/modulebasegame/gameworld/NetRunner.kt
@@ -31,5 +31,11 @@ class NetRunner : TerrarumSavegameExtrafieldSerialisable {
 
         return i
     }
+
+    fun purgeDeadFrames() {
+        ledger.filter { it.value.getFrameType() == "invalid" }.map { it.key }.forEach {
+            ledger.remove(it)
+        }
+    }
 }