@Override
	public boolean invoke(MOB mob, Vector commands, Physical givenTarget, boolean auto, int asLevel)
	{
		if(!super.invoke(mob,commands,givenTarget,auto,asLevel))
			return false;

		final Set<MOB> h=properTargets(mob,givenTarget,auto);
		if(h==null) return false;

		boolean success=proficiencyCheck(mob,0,auto);
		boolean nothingDone=true;
		if(success)
		{
			for (final Object element : h)
			{
				final MOB target=(MOB)element;
				// 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)|CMMsg.MASK_MALICIOUS,auto?"":_("^S<S-NAME> @x1 an unholy deafness upon <T-NAMESELF>.^?",prayForWord(mob)));
				if((target!=mob)&&(mob.location().okMessage(mob,msg)))
				{
					mob.location().send(mob,msg);
					if(msg.value()<=0)
					{
						success=maliciousAffect(mob,target,asLevel,0,-1);
						mob.location().show(target,null,CMMsg.MSG_OK_VISUAL,_("<S-NAME> go(es) deaf!!"));
					}
					nothingDone=false;
				}
			}
		}

		if(nothingDone)
			return maliciousFizzle(mob,null,_("<S-NAME> attempt(s) to deafen everyone, but flub(s) it."));


		// return whether it worked
		return success;
	}