@Override
	public boolean invoke(MOB mob, List<String> commands, Physical givenTarget, boolean auto, int asLevel)
	{
		if(CMLib.flags().hasAControlledFollower(mob, this))
		{
			mob.tell(L("You can only control one elemental."));
			return false;
		}
		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?"":L("^S<S-NAME> chant(s) and summon(s) help from another Plain.^?"));
			if(mob.location().okMessage(mob,msg))
			{
				mob.location().send(mob,msg);
				final MOB target = determineMonster(mob, mob.phyStats().level()+(2*getXLEVELLevel(mob)));
				beneficialAffect(mob,target,asLevel,0);
				if(target.isInCombat())
					target.makePeace(true);
				CMLib.commands().postFollow(target,mob,true);
				if(target.amFollowing()!=mob)
					mob.tell(L("@x1 seems unwilling to follow you.",target.name(mob)));
			}
		}
		else
			return beneficialWordsFizzle(mob,null,L("<S-NAME> chant(s), but nothing happens."));

		// return whether it worked
		return success;
	}