@Override
	public boolean invoke(MOB mob, Vector commands, Physical givenTarget, boolean auto, int asLevel)
	{
		MOB target=mob;
		if((auto)&&(givenTarget!=null)&&(givenTarget instanceof MOB))
			target=(MOB)givenTarget;
		if(target==null) return false;
		if(target.fetchEffect(ID())!=null)
		{
			mob.tell(target,null,null,_("<S-NAME> <S-IS-ARE> already affected by @x1.",name()));
			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?_("<T-NAME> <T-IS-ARE> protected from chants."):_("^S<S-NAME> chant(s) for a ward against chanting around <T-NAMESELF>.^?"));
			if(mob.location().okMessage(mob,msg))
			{
				mob.location().send(mob,msg);
				beneficialAffect(mob,target,asLevel,0);
			}
		}
		else
			beneficialWordsFizzle(mob,target,_("<S-NAME> chant(s) for a ward, but nothing happens."));

		return success;
	}