@Override
	public boolean invoke(MOB mob, Vector commands, Physical givenTarget, boolean auto, int asLevel)
	{
		final MOB target=this.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,CMMsg.MASK_MALICIOUS|verbalCastCode(mob,target,auto),_(auto?"A light fatigue overcomes <T-NAME>.":"^S<S-NAME> "+prayWord(mob)+" for fatigue to overcome <T-NAMESELF>!^?"));
			if(mob.location().okMessage(mob,msg))
			{
				mob.location().send(mob,msg);
				if(msg.value()<=0)
				{
					final int harming=CMLib.dice().roll(5,adjustedLevel(mob,asLevel),20);
					if((target.curState().getFatigue()<=CharState.FATIGUED_MILLIS)
					&&(target.maxState().getFatigue()>Long.MIN_VALUE/2))
						target.curState().setFatigue(CharState.FATIGUED_MILLIS+1);
					target.curState().adjMovement(-harming,target.maxState());
					target.tell(_("You feel slightly more fatigued!"));
				}
			}
		}
		else
			return maliciousFizzle(mob,target,_("<S-NAME> point(s) at <T-NAMESELF> and @x1, but nothing happens.",prayWord(mob)));

		// return whether it worked
		return success;
	}