@Override
	public boolean invoke(MOB mob, Vector commands, Physical givenTarget, boolean auto, int asLevel)
	{
		String dir=CMParms.combine(commands,0);
		if(commands.size()>0) dir=(String)commands.lastElement();
		final int dirCode=Directions.getGoodDirectionCode(dir);
		if(!preInvoke(mob,commands,givenTarget,auto,asLevel,0,0.0))
			return false;

		final MOB highestMOB=getHighestLevelMOB(mob,null);
		int levelDiff=mob.phyStats().level()+(2*super.getXLEVELLevel(mob))-getMOBLevel(highestMOB);

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

		boolean success=false;
		final CMMsg msg=CMClass.getMsg(mob,null,this,auto?CMMsg.MSG_OK_VISUAL:CMMsg.MSG_DELICATE_HANDS_ACT,_("<S-NAME> walk(s) carefully @x1.",Directions.getDirectionName(dirCode)));
		if(mob.location().okMessage(mob,msg))
		{
			mob.location().send(mob,msg);
			if(levelDiff<0)
				levelDiff=levelDiff*8;
			else
				levelDiff=levelDiff*10;
			success=proficiencyCheck(mob,levelDiff,auto);
			final int oldDex=mob.baseCharStats().getStat(CharStats.STAT_DEXTERITY);
			if(success)
				mob.baseCharStats().setStat(CharStats.STAT_DEXTERITY,oldDex+100);
			mob.recoverCharStats();
			CMLib.tracking().walk(mob,dirCode,false,false);
			if(oldDex!=mob.baseCharStats().getStat(CharStats.STAT_DEXTERITY))
				mob.baseCharStats().setStat(CharStats.STAT_DEXTERITY,oldDex);
			mob.recoverCharStats();
		}
		return success;
	}