Move this to the skill itself.

src/main/java/com/gmail/nossr50/datatypes/player/McMMOPlayer.java

@@ -55,13 +55,6 @@ public class McMMOPlayer {
     private Player        player;
     private PlayerProfile profile;
 
-    /*
-     * Since SkillManager isn't a "polymorphic type" we may prefer to have one field for each of our
-     * class inheriting from SkillManager. This would also prevent the need for casting.
-     * However, by using the map and the loop in the constructor
-     * we make sure that all class inheriting from SkillManager are instanced.
-     * Which solution is better, I let you decide. - bm01
-     */
     private final Map<SkillType, SkillManager> skillManagers = new HashMap<SkillType, SkillManager>();
 
     private Party   party;

src/main/java/com/gmail/nossr50/datatypes/skills/SkillType.java

@@ -27,6 +27,7 @@ import com.gmail.nossr50.skills.unarmed.UnarmedManager;
 import com.gmail.nossr50.skills.woodcutting.WoodcuttingManager;
 import com.gmail.nossr50.util.Permissions;
 import com.gmail.nossr50.util.StringUtils;
+import com.gmail.nossr50.util.skills.ParticleEffectUtils;
 
 import com.google.common.collect.ImmutableList;
 
@@ -179,10 +180,6 @@ public enum SkillType {
         }
     }
 
-    public Color getRunescapeModeColor() {
-        return runescapeColor;
-    }
-
     public static SkillType byAbility(AbilityType ability) {
         for (SkillType type : values()) {
             if (type.getAbility() == ability) {
@@ -200,4 +197,8 @@ public enum SkillType {
     public boolean getPermissions(Player player) {
         return Permissions.skillEnabled(player, this);
     }
+
+    public void celebrateLevelUp(Player player) {
+        ParticleEffectUtils.fireworkParticleShower(player, runescapeColor);
+    }
 }

src/main/java/com/gmail/nossr50/listeners/SelfListener.java

@@ -1,13 +1,11 @@
 package com.gmail.nossr50.listeners;
 
-import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 
 import com.gmail.nossr50.config.Config;
 import com.gmail.nossr50.events.experience.McMMOPlayerLevelUpEvent;
-import com.gmail.nossr50.util.skills.ParticleEffectUtils;
 
 public class SelfListener implements Listener {
     @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
@@ -16,17 +14,8 @@ public class SelfListener implements Listener {
             return;
         }
 
-        int tier = Config.getInstance().getLevelUpEffectsTier();
-
-        if (tier <= 0) {
-            return;
-        }
-
-        Player player = event.getPlayer();
-        float skillValue = event.getSkillLevel();
-
-        if ((skillValue % tier) == 0) {
-            ParticleEffectUtils.runescapeModeCelebration(player, event.getSkill());
+        if ((event.getSkillLevel() % Config.getInstance().getLevelUpEffectsTier()) == 0) {
+            event.getSkill().celebrateLevelUp(event.getPlayer());
         }
     }
 }

src/main/java/com/gmail/nossr50/util/skills/ParticleEffectUtils.java

@@ -16,7 +16,6 @@ import org.bukkit.entity.Player;
 import org.bukkit.inventory.meta.FireworkMeta;
 
 import com.gmail.nossr50.config.Config;
-import com.gmail.nossr50.datatypes.skills.SkillType;
 
 public final class ParticleEffectUtils {
 
@@ -80,11 +79,7 @@ public final class ParticleEffectUtils {
         }
     }
 
-    public static void runescapeModeCelebration(Player player, SkillType skill) {
-        fireworkParticleShower(player, skill.getRunescapeModeColor());
-    }
-
-    private static void fireworkParticleShower(Player player, Color color) {
+    public static void fireworkParticleShower(Player player, Color color) {
         Location location = player.getLocation();
         location.setY(location.getY() + (player.isInsideVehicle() ? 1.0 : -1.0));
         location.setPitch(-90);