more behaviour work

src/engine/wpakpowers/Behaviour.java

@@ -37,8 +37,7 @@ public class Behaviour {
 
     public static Object FPSubTypeAttr(AbstractCharacter caster, AbstractWorldObject target, Power power,
                                        ActionEntry actionEntry, Effect effect, ModifierEntry modifierEntry, Integer rank) {
-        System.out.println("Behavior method called");
-        return null;
+        return WpakPowerManager.applyCurveToModifier(actionEntry, modifierEntry, rank);
     }
 
     public static Object SubTypeSourceType(AbstractCharacter caster, AbstractWorldObject target, Power power,