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

		if(success)
		{
			invoker=mob;
			final CMMsg msg=CMClass.getMsg(mob,null,this,verbalCastCode(mob,null,auto),auto?"":_("^S<S-NAME> conjur(s) the dark shadow of a living creature...^?"));
			if(mob.location().okMessage(mob,msg))
			{
				mob.location().send(mob,msg);
				final MOB target = determineMonster(mob, mob.phyStats().level());
				if(target!=null)
				{
					final CMMsg msg2=CMClass.getMsg(mob,target,this,verbalCastCode(mob,null,auto)|CMMsg.MASK_MALICIOUS,null);
					if(mob.location().okMessage(mob, msg2))
					{
						mob.location().send(mob, msg2);
						beneficialAffect(mob,target,asLevel,0);
						target.setVictim(mob);
					}
					else
						CMLib.tracking().wanderAway(target, false, true);
				}
				else
					mob.tell(_("Your equal could not be summoned."));
			}
		}
		else
			return beneficialWordsFizzle(mob,null,_("<S-NAME> conjur(s), but nothing happens."));

		// return whether it worked
		return success;
	}