@Override
	public boolean invoke(MOB mob, Vector commands, Physical givenTarget, boolean auto, int asLevel)
	{
		final Item target=getTarget(mob,mob.location(),givenTarget,commands,Wearable.FILTER_ANY);
		if(target==null)
		{
			final String str=CMParms.combine(commands,0).toUpperCase();
			if(str.equals("MONEY")||str.equals("GOLD")||str.equals("COINS"))
				mob.tell(_("You can't cast this spell on your own coins."));
			return false;
		}

		if(target.fetchEffect(this.ID())!=null)
		{
			mob.tell(_("@x1 is already light!",target.name(mob)));
			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),auto?"":_("^S<S-NAME> wave(s) <S-HIS-HER> hands around <T-NAMESELF>, incanting.^?"));
			if(mob.location().okMessage(mob,msg))
			{
				mob.location().send(mob,msg);
				mob.location().show(mob,target,CMMsg.MSG_OK_ACTION,_("<T-NAME> grow(s) much lighter."));
				beneficialAffect(mob,target,asLevel,100);
				target.recoverPhyStats();
				mob.recoverPhyStats();
				mob.location().recoverRoomStats();
			}

		}
		else
			beneficialWordsFizzle(mob,target,_("<S-NAME> wave(s) <S-HIS-HER> hands around <T-NAMESELF>, incanting, but nothing happens."));


		// return whether it worked
		return success;
	}