FightSystem_Main/src/de/steamwar/fightsystem/listener/VersionDependentListener.java

@@ -30,12 +30,15 @@ import java.util.*;
 
 public class VersionDependentListener extends BasicListener {
 
-    private final List<Listener> listeners = new ArrayList<>();
+    private static final List<Listener> listeners = new ArrayList<>();
+
+    static {
+        if(Core.getVersion() > 8)
+            listeners.add(new PickupArrowListener_9());
+    }
 
     public VersionDependentListener() {
         super(EnumSet.allOf(FightState.class));
-        if(Core.getVersion() > 8)
-            listeners.add(new PickupArrowListener_9());
     }
 
     @Override