@Override
 public int castingQuality(MOB mob, Physical target) {
   if (mob != null) {
     final Item myPlant = Druid_MyPlants.myPlant(mob.location(), mob, 0);
     if (myPlant == null) return Ability.QUALITY_INDIFFERENT;
     if (target instanceof MOB) {
       if (((MOB) target).getWearPositions(Wearable.WORN_NECK) == 0)
         return Ability.QUALITY_INDIFFERENT;
     }
   }
   return super.castingQuality(mob, target);
 }
  @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(L("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(L("Ummm, @x1 doesn't HAVE a neck...", target.name(mob)));
      return false;
    }

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

    final boolean success = proficiencyCheck(mob, 0, auto);
    if (success) {

      final CMMsg msg =
          CMClass.getMsg(
              mob,
              target,
              this,
              verbalCastCode(mob, target, auto),
              auto
                  ? ""
                  : L("^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,
                L("@x1 jumps up and wraps itself around <S-YOUPOSS> neck!", myPlant.name()));
        beneficialAffect(mob, myPlant, asLevel, 5);
      }
    } else
      return maliciousFizzle(
          mob, target, L("<S-NAME> chant(s) at <T-NAME>, but the magic fizzles."));

    // return whether it worked
    return success;
  }