More behaviour work.

src/engine/wpakpowers/Behaviours.java

@@ -42,8 +42,8 @@ public class Behaviours {
 
     public static Object SubTypeSourceType(AbstractCharacter caster, AbstractWorldObject target, Power power,
                                            PowerAction powerAction, Effect effect, ModifierEntry modifierEntry, Integer rank) {
-        System.out.println("Behavior method called");
-        return null;
+
+        return modifierEntry.arg1;  // Should we return the enum here?
     }
 
     public static Object SubTypePowerType(AbstractCharacter caster, AbstractWorldObject target, Power power,