@Override
	public boolean invoke(MOB mob, Vector commands, Physical givenTarget, boolean auto, int asLevel)
	{
		final MOB target=getTarget(mob,commands,givenTarget);
		if(target==null) return false;

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

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

		if(success)
		{
			// it worked, so build a copy of this ability,
			// and add it to the affects list of the
			// affected MOB.  Then tell everyone else
			// what happened.
			final CMMsg msg=CMClass.getMsg(mob,target,this,verbalCastCode(mob,target,auto),auto?_("<T-NAME> become(s) filled with a need to tithe!"):_("^S<S-NAME> @x1 for <T-YOUPOSS> need to tithe!^?",prayWord(mob)));
			final CMMsg msg3=CMClass.getMsg(mob,target,this,CMMsg.MSK_CAST_MALICIOUS_VERBAL|CMMsg.TYP_MIND|(auto?CMMsg.MASK_ALWAYS:0),null);
			if((mob.location().okMessage(mob,msg))&&(mob.location().okMessage(mob,msg3)))
			{
				mob.location().send(mob,msg);
				mob.location().send(mob,msg3);
				if((msg.value()<=0)&&(msg3.value()<=0))
					maliciousAffect(mob,target,asLevel,0,-1);
			}
		}
		else
			return maliciousFizzle(mob,null,_("<S-NAME> @x1 for <T-YOUPOSS> tithing need but there is no answer.",prayWord(mob)));

		// return whether it worked
		return success;
	}