@Override
	public boolean invoke(MOB mob, List<String> commands, Physical givenTarget, boolean auto, int asLevel)
	{
		final Item target=getTarget(mob,mob.location(),givenTarget,commands,Wearable.FILTER_ANY);
		if(target==null)
			return false;

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

		final int levelBonus=mob.phyStats().level()+(2*getXLEVELLevel(mob));
		int levelDiff=levelBonus-target.phyStats().level();
		levelDiff=levelDiff*5;
		final boolean success=proficiencyCheck(mob,5+levelDiff,auto);

		if(success)
		{
			final CMMsg msg=CMClass.getMsg(mob,target,this,verbalCastCode(mob,target,auto),auto?L("<T-NAME> appear(s) neutralized!"):L("^S<S-NAME> @x1 to neutralize <T-NAMESELF>.^?",prayForWord(mob)));
			if(mob.location().okMessage(mob,msg))
			{
				mob.location().send(mob,msg);
				beneficialAffect(mob,target,asLevel,0);
				target.basePhyStats().setAbility(0);
				target.delAllEffects(true);
				if(target instanceof Wand)
				{
					((Wand)target).setSpell(null);
					((Wand)target).setUsesRemaining(0);
				}
				else
				if(target instanceof SpellHolder)
					((SpellHolder)target).setSpellList("");
				target.recoverPhyStats();
				mob.location().recoverRoomStats();
			}
		}
		else
			return beneficialWordsFizzle(mob,target,L("<S-NAME> @x1 to neutralize <T-NAMESELF>, but nothing happens.",prayForWord(mob)));
		// return whether it worked
		return success;
	}