@Override
	public boolean invoke(MOB mob, List<String> commands, Physical givenTarget, boolean auto, int asLevel)
	{
		final Physical target=super.getTarget(mob, mob.location(), givenTarget, commands, Wearable.FILTER_UNWORNONLY);
		if(target==null)
			return false;
		if((!(target instanceof Ammunition))||(!((Ammunition)target).ammunitionType().equals("bullets")))
		{
			mob.tell(mob,target,null,L("You can only enchant sling bullets with this spell, which <T-NAME> is not."));
			return false;
		}
		
		if(target.fetchEffect("Spell_MagicBullets")!=null)
		{
			mob.tell(mob,target,null,L("<T-NAME> is already altered."));
			return false;
		}

		if(!super.invoke(mob,commands,givenTarget,auto,asLevel))
			return false;


		final boolean success=proficiencyCheck(mob,0,auto);

		if(success)
		{
			final CMMsg msg=CMClass.getMsg(mob,target,this,verbalCastCode(mob,target,auto),L("^S<S-NAME> move(s) <S-HIS-HER> fingers around <T-NAMESELF>, incanting softly.^?"));
			if(mob.location().okMessage(mob,msg))
			{
				mob.location().send(mob,msg);
				mob.location().show(mob,target,null,CMMsg.MSG_OK_VISUAL,L("<T-NAME> chang(es) shape, becoming more deadly"));
				Ability A=CMClass.getAbility(ID());
				if(A!=null)
				{
					A.setMiscText(""+super.getXLEVELLevel(invoker()));
					target.addNonUninvokableEffect(A);
				}
				target.recoverPhyStats();
			}
		}
		else
			beneficialWordsFizzle(mob,target,L("<S-NAME> move(s) <S-HIS-HER> fingers around <T-NAMESELF>, incanting softly, and looking very frustrated."));
		// return whether it worked
		return success;
	}