Only type is needed for key

src/engine/wpakpowers/WpakPowerManager.java

@@ -341,7 +341,7 @@ public class WpakPowerManager {
             // Write modifier values
 
             for (ModifierEntry modifierEntry : effect.mods)
-                target._effects.get(effect).put(modifierEntry, rank);
+                target._effects.get(effect).put(modifierEntry.type, rank);
         }
 
     }