diff --git a/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/tweaks/armadilloInfectionReducer/ArmadilloInfectionReducer.java b/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/tweaks/armadilloInfectionReducer/ArmadilloInfectionReducer.java
new file mode 100644
index 0000000..4f64e2b
--- /dev/null
+++ b/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/tweaks/armadilloInfectionReducer/ArmadilloInfectionReducer.java
@@ -0,0 +1,16 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.tweaks.armadilloInfectionReducer;
+
+import eu.mhsl.craftattack.spawn.core.appliance.Appliance;
+import org.bukkit.event.Listener;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+
+public class ArmadilloInfectionReducer extends Appliance {
+    @Override
+    protected @NotNull List<Listener> listeners() {
+        return List.of(
+            new InfectionSpawnListener()
+        );
+    }
+}
diff --git a/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/tweaks/armadilloInfectionReducer/InfectionSpawnListener.java b/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/tweaks/armadilloInfectionReducer/InfectionSpawnListener.java
new file mode 100644
index 0000000..7f8bc40
--- /dev/null
+++ b/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/tweaks/armadilloInfectionReducer/InfectionSpawnListener.java
@@ -0,0 +1,17 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.tweaks.armadilloInfectionReducer;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import org.bukkit.entity.EntityType;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.entity.CreatureSpawnEvent;
+
+import java.util.concurrent.ThreadLocalRandom;
+
+class InfectionSpawnListener extends ApplianceListener<ArmadilloInfectionReducer> {
+    @EventHandler
+    public void onSpawn(CreatureSpawnEvent event) {
+        if(!event.getSpawnReason().equals(CreatureSpawnEvent.SpawnReason.POTION_EFFECT)) return;
+        if(!event.getEntity().getType().equals(EntityType.SILVERFISH)) return;
+        if(ThreadLocalRandom.current().nextDouble() > 0.7) event.setCancelled(true);
+    }
+}
diff --git a/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/tweaks/silverfishExpReducer/SilverfishDeathListener.java b/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/tweaks/silverfishExpReducer/SilverfishDeathListener.java
new file mode 100644
index 0000000..a3da309
--- /dev/null
+++ b/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/tweaks/silverfishExpReducer/SilverfishDeathListener.java
@@ -0,0 +1,14 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.tweaks.silverfishExpReducer;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import org.bukkit.entity.EntityType;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.entity.EntityDeathEvent;
+
+class SilverfishDeathListener extends ApplianceListener<SilverfishExpReducer> {
+    @EventHandler
+    public void onDeath(EntityDeathEvent event) {
+        if(!event.getEntity().getType().equals(EntityType.SILVERFISH)) return;
+        event.setDroppedExp(event.getDroppedExp() / 3);
+    }
+}
diff --git a/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/tweaks/silverfishExpReducer/SilverfishExpReducer.java b/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/tweaks/silverfishExpReducer/SilverfishExpReducer.java
new file mode 100644
index 0000000..b1aeeb2
--- /dev/null
+++ b/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/tweaks/silverfishExpReducer/SilverfishExpReducer.java
@@ -0,0 +1,16 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.tweaks.silverfishExpReducer;
+
+import eu.mhsl.craftattack.spawn.core.appliance.Appliance;
+import org.bukkit.event.Listener;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+
+public class SilverfishExpReducer extends Appliance {
+    @Override
+    public @NotNull List<Listener> listeners() {
+        return List.of(
+            new SilverfishDeathListener()
+        );
+    }
+}