@Override
	public boolean invoke(MOB mob, Vector commands, Physical givenTarget, boolean auto, int asLevel)
	{
		final MOB target=getTarget(mob,commands,givenTarget);
		if(target==null) return false;
		Item myPlant=Druid_MyPlants.myPlant(mob.location(),mob,0);
		if(myPlant==null)
		{
			if(auto)
				myPlant=new Chant_SummonPlants().buildPlant(mob,mob.location());
			else
			{
				mob.tell(_("There doesn't appear to be any of your plants here to choke with."));
				return false;
			}
		}

		if(target.getWearPositions(Wearable.WORN_NECK)==0)
		{
			if(!auto)
				mob.tell(_("Ummm, @x1 doesn't HAVE a neck...",target.name(mob)));
			return false;
		}

		// the invoke method for spells receives as
		// parameters the invoker, and the REMAINING
		// command line parameters, divided into words,
		// and added as String objects to a vector.
		if(!super.invoke(mob,commands,givenTarget,auto,asLevel))
			return false;

		final boolean success=proficiencyCheck(mob,0,auto);
		if(success)
		{
			// 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),auto?"":_("^S<S-NAME> chant(s) at <T-NAME> while pointing at @x1!^?",myPlant.name()));
			if(mob.location().okMessage(mob,msg))
			{
				mob.location().send(mob,msg);
				target.moveItemTo(myPlant);
				myPlant.setRawWornCode(Wearable.WORN_NECK);
				mob.location().show(target,null,CMMsg.MSG_OK_VISUAL,_("@x1 jumps up and wraps itself around <S-YOUPOSS> neck!",myPlant.name()));
				beneficialAffect(mob,myPlant,asLevel,5);
			}
		}
		else
			return maliciousFizzle(mob,target,_("<S-NAME> chant(s) at <T-NAME>, but the magic fizzles."));

		// return whether it worked
		return success;
	}