diff --git a/src/main/java/dev/plex/command/impl/EntityWipeCMD.java b/src/main/java/dev/plex/command/impl/EntityWipeCMD.java
index 653bd81..fbc2812 100644
--- a/src/main/java/dev/plex/command/impl/EntityWipeCMD.java
+++ b/src/main/java/dev/plex/command/impl/EntityWipeCMD.java
@@ -35,7 +35,7 @@ public class EntityWipeCMD extends PlexCommand
 
         EntityType[] entityTypes = EntityType.values();
         entityWhitelist.removeIf(name -> {
-            boolean res = Arrays.stream(entityTypes).noneMatch(entityType -> entityType.name().equalsIgnoreCase(name));
+            boolean res = Arrays.stream(entityTypes).noneMatch(entityType -> name.equalsIgnoreCase(entityType.name()));
             if (res)
             {
                 sender.sendMessage(messageComponent("invalidEntityType", name));
diff --git a/src/main/java/dev/plex/listener/impl/BlockListener.java b/src/main/java/dev/plex/listener/impl/BlockListener.java
index c8993ed..f5b300f 100644
--- a/src/main/java/dev/plex/listener/impl/BlockListener.java
+++ b/src/main/java/dev/plex/listener/impl/BlockListener.java
@@ -4,9 +4,13 @@ import dev.plex.listener.PlexListener;
 import java.util.ArrayList;
 import java.util.List;
 
+import dev.plex.util.PlexUtils;
 import net.kyori.adventure.sound.Sound;
+import org.bukkit.Location;
 import org.bukkit.Material;
 import org.bukkit.Particle;
+import org.bukkit.block.Block;
+import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.block.BlockBreakEvent;
@@ -41,24 +45,18 @@ public class BlockListener extends PlexListener
             }
         }
 
-        if (blockedBlocks.contains(event.getBlock().getType()))
-        {
-            event.getBlock().setType(Material.CAKE);
-            Particle.CLOUD.builder().location(event.getBlock().getLocation().add(0.5,0.5,0.5)).receivers(event.getPlayer()).extra(0).offset(0.5,0.5,0.5).count(5).spawn();
-            Particle.FLAME.builder().location(event.getBlock().getLocation().add(0.5,0.5,0.5)).receivers(event.getPlayer()).extra(0).offset(0.5,0.5,0.5).count(3).spawn();
-            Particle.SOUL_FIRE_FLAME.builder().location(event.getBlock().getLocation().add(0.5,0.5,0.5)).receivers(event.getPlayer()).offset(0.5,0.5,0.5).extra(0).count(2).spawn();
-            event.getPlayer().playSound(Sound.sound(org.bukkit.Sound.BLOCK_FIRE_EXTINGUISH.key(), Sound.Source.BLOCK, 0.5f, 0.5f));
-        }
-
-        if (blockedPlayers.size() == 0)
-        {
-            return;
-        }
+        Block block = event.getBlock();
 
         if (blockedPlayers.contains(event.getPlayer().getName()))
         {
             event.setCancelled(true);
         }
+
+        if (blockedBlocks.contains(block.getType()))
+        {
+            block.setType(Material.CAKE);
+            PlexUtils.disabledEffect(event.getPlayer(), block.getLocation().add(0.5,0.5,0.5));
+        }
     }
 
     @EventHandler(priority = EventPriority.LOW)
diff --git a/src/main/java/dev/plex/listener/impl/SpawnListener.java b/src/main/java/dev/plex/listener/impl/SpawnListener.java
index 766ab1e..a6356b0 100644
--- a/src/main/java/dev/plex/listener/impl/SpawnListener.java
+++ b/src/main/java/dev/plex/listener/impl/SpawnListener.java
@@ -1,15 +1,19 @@
 package dev.plex.listener.impl;
 
 import dev.plex.listener.PlexListener;
+import dev.plex.util.PlexUtils;
 import org.bukkit.Location;
 import org.bukkit.Material;
 import org.bukkit.block.Block;
 import org.bukkit.block.data.Directional;
 import org.bukkit.entity.EntityType;
+import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.block.Action;
 import org.bukkit.event.block.BlockDispenseEvent;
+import org.bukkit.event.entity.CreatureSpawnEvent;
+import org.bukkit.event.entity.EntitySpawnEvent;
 import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.inventory.ItemStack;
 
@@ -18,10 +22,22 @@ import java.util.List;
 
 public class SpawnListener extends PlexListener
 {
-    // TODO: CONFIGURABILITY!!!
-
     public static final List<Material> SPAWN_EGGS = Arrays.stream(Material.values()).filter((mat) -> mat.name().endsWith("_SPAWN_EGG")).toList();
 
+    @EventHandler
+    public void onEntitySpawn(EntitySpawnEvent event)
+    {
+        if(plugin.config.getStringList("blockedEntities").stream().anyMatch(type -> type.equalsIgnoreCase(event.getEntityType().name())))
+        {
+            event.setCancelled(true);
+            Location location = event.getLocation();
+            for (Player player : location.getNearbyEntitiesByType(Player.class, 10))
+            {
+                PlexUtils.disabledEffect(player, location);
+            }
+        }
+    }
+
     @EventHandler
     public void onDispense(BlockDispenseEvent event)
     {
diff --git a/src/main/java/dev/plex/util/PlexUtils.java b/src/main/java/dev/plex/util/PlexUtils.java
index ac04361..45c7b0f 100644
--- a/src/main/java/dev/plex/util/PlexUtils.java
+++ b/src/main/java/dev/plex/util/PlexUtils.java
@@ -66,6 +66,14 @@ public class PlexUtils extends PlexBase
         }
     }
 
+    public static void disabledEffect(Player player, Location location)
+    {
+        Particle.CLOUD.builder().location(location).receivers(player).extra(0).offset(0.5,0.5,0.5).count(5).spawn();
+        Particle.FLAME.builder().location(location).receivers(player).extra(0).offset(0.5,0.5,0.5).count(3).spawn();
+        Particle.SOUL_FIRE_FLAME.builder().location(location).receivers(player).offset(0.5,0.5,0.5).extra(0).count(2).spawn();
+        player.playSound(net.kyori.adventure.sound.Sound.sound(org.bukkit.Sound.BLOCK_FIRE_EXTINGUISH.key(), net.kyori.adventure.sound.Sound.Source.BLOCK, 0.5f, 0.5f));
+    }
+
     public static ChatColor randomChatColor()
     {
         return CHAT_COLOR_POOL.get(RANDOM.nextInt(CHAT_COLOR_POOL.size()));
diff --git a/src/main/resources/config.yml b/src/main/resources/config.yml
index 9324c18..49f88e2 100644
--- a/src/main/resources/config.yml
+++ b/src/main/resources/config.yml
@@ -160,6 +160,11 @@ blockedBlocks:
   - "STRUCTURE_BLOCK"
   - "JIGSAW"
 
+# What entities should be blocked?
+blockedEntities:
+  - "WITHER"
+  - "ENDER_DRAGON"
+
 worlds:
   flatlands:
     name: "Flatlands"