Program: 133827
Project: 133827
Buggy source:
@Override public void progress(){
  PotionEffect effect=new PotionEffect(PotionEffectType.SLOW,60,1);
  if (!player.isSneaking()) {
    remove();
    return;
  }
 else   if (holdTime > 0 && System.currentTimeMillis() - this.time > holdTime) {
    remove();
    return;
  }
  if (!canBeUsedOnUndeadMobs) {
    for (    Entity entity : TARGETED_ENTITIES.keySet()) {
      if (isUndead(entity)) {
        TARGETED_ENTITIES.remove(entity);
      }
    }
  }
  if (onlyUsableDuringMoon && !isFullMoon(player.getWorld()) && !bPlayer.canBloodbendAtAnytime()) {
    remove();
    return;
  }
 else   if (canOnlyBeUsedAtNight && !isNight(player.getWorld()) && !bPlayer.canBloodbendAtAnytime()) {
    remove();
    return;
  }
 else   if (!bPlayer.canBendIgnoreCooldowns(this)) {
    remove();
    return;
  }
  if (bPlayer.isAvatarState()) {
    ArrayList<Entity> entities=new ArrayList<>();
    for (    Entity entity : GeneralMethods.getEntitiesAroundPoint(player.getLocation(),range)) {
      if (GeneralMethods.isRegionProtectedFromBuild(this,entity.getLocation())) {
        continue;
      }
 else       if (!(entity instanceof LivingEntity)) {
        continue;
      }
 else       if (entity instanceof Player) {
        BendingPlayer targetBPlayer=BendingPlayer.getBendingPlayer((Player)entity);
        if (targetBPlayer != null) {
          if (!targetBPlayer.canBeBloodbent() || entity.getEntityId() == player.getEntityId()) {
            continue;
          }
        }
      }
      entities.add(entity);
      if (!TARGETED_ENTITIES.containsKey(entity) && entity instanceof LivingEntity) {
        DamageHandler.damageEntity(entity,0,this);
        TARGETED_ENTITIES.put(entity,player);
      }
      if (player.getWorld() != entity.getLocation().getWorld()) {
        TARGETED_ENTITIES.remove(entity);
        continue;
      }
      if (entity instanceof LivingEntity) {
        entity.setVelocity(new Vector(0,0,0));
        new TempPotionEffect((LivingEntity)entity,effect);
        entity.setFallDistance(0);
        if (entity instanceof Creature) {
          ((Creature)entity).setTarget(null);
        }
        AirAbility.breakBreathbendingHold(entity);
      }
    }
    for (    Entity entity : TARGETED_ENTITIES.keySet()) {
      if (!entities.contains(entity) && TARGETED_ENTITIES.get(entity) == player) {
        TARGETED_ENTITIES.remove(entity);
      }
    }
  }
 else {
    if (TARGETED_ENTITIES.get(target) != player) {
      remove();
      return;
    }
    for (    Entity entity : TARGETED_ENTITIES.keySet()) {
      if (entity instanceof Player) {
        BendingPlayer targetBPlayer=BendingPlayer.getBendingPlayer((Player)entity);
        if (targetBPlayer != null && !targetBPlayer.canBeBloodbent()) {
          TARGETED_ENTITIES.remove(entity);
          continue;
        }
      }
      Location newLocation=entity.getLocation();
      if (player.getWorld() != newLocation.getWorld()) {
        TARGETED_ENTITIES.remove(entity);
        continue;
      }
    }
    Location location=GeneralMethods.getTargetedLocation(player,6,getTransparentMaterial());
    double distance=0;
    if (location.getWorld().equals(target.getWorld())) {
      location.distance(target.getLocation());
    }
    double dx, dy, dz;
    dx=location.getX() - target.getLocation().getX();
    dy=location.getY() - target.getLocation().getY();
    dz=location.getZ() - target.getLocation().getZ();
    Vector vector=new Vector(dx,dy,dz);
    if (distance > .5) {
      target.setVelocity(vector.normalize().multiply(.5));
    }
 else {
      target.setVelocity(new Vector(0,0,0));
    }
    new TempPotionEffect((LivingEntity)target,effect);
    target.setFallDistance(0);
    if (target instanceof Creature) {
      ((Creature)target).setTarget(null);
    }
    AirAbility.breakBreathbendingHold(target);
  }
}

Fixed version (ground truth):
@Override public void progress(){
  PotionEffect effect=new PotionEffect(PotionEffectType.SLOW,60,1);
  if (!player.isSneaking()) {
    remove();
    return;
  }
 else   if (holdTime > 0 && System.currentTimeMillis() - this.time > holdTime) {
    remove();
    return;
  }
  if (!canBeUsedOnUndeadMobs) {
    for (    Entity entity : TARGETED_ENTITIES.keySet()) {
      if (isUndead(entity)) {
        TARGETED_ENTITIES.remove(entity);
      }
    }
  }
  if (onlyUsableDuringMoon && !isFullMoon(player.getWorld()) && !bPlayer.canBloodbendAtAnytime()) {
    remove();
    return;
  }
 else   if (canOnlyBeUsedAtNight && !isNight(player.getWorld()) && !bPlayer.canBloodbendAtAnytime()) {
    remove();
    return;
  }
 else   if (!bPlayer.canBendIgnoreCooldowns(this)) {
    remove();
    return;
  }
  if (bPlayer.isAvatarState()) {
    ArrayList<Entity> entities=new ArrayList<>();
    for (    Entity entity : GeneralMethods.getEntitiesAroundPoint(player.getLocation(),range)) {
      if (GeneralMethods.isRegionProtectedFromBuild(this,entity.getLocation())) {
        continue;
      }
 else       if (!(entity instanceof LivingEntity)) {
        continue;
      }
 else       if (entity instanceof Player) {
        BendingPlayer targetBPlayer=BendingPlayer.getBendingPlayer((Player)entity);
        if (targetBPlayer != null) {
          if (!targetBPlayer.canBeBloodbent() || entity.getEntityId() == player.getEntityId()) {
            continue;
          }
        }
      }
      entities.add(entity);
      if (!TARGETED_ENTITIES.containsKey(entity) && entity instanceof LivingEntity) {
        DamageHandler.damageEntity(entity,0,this);
        TARGETED_ENTITIES.put(entity,player);
      }
      if (player.getWorld() != entity.getLocation().getWorld()) {
        TARGETED_ENTITIES.remove(entity);
        continue;
      }
      if (entity instanceof LivingEntity) {
        entity.setVelocity(new Vector(0,0,0));
        new TempPotionEffect((LivingEntity)entity,effect);
        entity.setFallDistance(0);
        if (entity instanceof Creature) {
          ((Creature)entity).setTarget(null);
        }
        AirAbility.breakBreathbendingHold(entity);
      }
    }
    for (    Entity entity : TARGETED_ENTITIES.keySet()) {
      if (!entities.contains(entity) && TARGETED_ENTITIES.get(entity) == player) {
        TARGETED_ENTITIES.remove(entity);
      }
    }
  }
 else {
    if (TARGETED_ENTITIES.get(target) != player) {
      remove();
      return;
    }
    for (    Entity entity : TARGETED_ENTITIES.keySet()) {
      if (entity instanceof Player) {
        BendingPlayer targetBPlayer=BendingPlayer.getBendingPlayer((Player)entity);
        if (targetBPlayer != null && !targetBPlayer.canBeBloodbent()) {
          TARGETED_ENTITIES.remove(entity);
          continue;
        }
      }
      Location newLocation=entity.getLocation();
      if (player.getWorld() != newLocation.getWorld()) {
        TARGETED_ENTITIES.remove(entity);
        continue;
      }
    }
    Location location=GeneralMethods.getTargetedLocation(player,6,getTransparentMaterial());
    double distance=0;
    if (location.getWorld().equals(target.getWorld())) {
      distance=location.distance(target.getLocation());
    }
    double dx, dy, dz;
    dx=location.getX() - target.getLocation().getX();
    dy=location.getY() - target.getLocation().getY();
    dz=location.getZ() - target.getLocation().getZ();
    Vector vector=new Vector(dx,dy,dz);
    if (distance > .5) {
      target.setVelocity(vector.normalize().multiply(.5));
    }
 else {
      target.setVelocity(new Vector(0,0,0));
    }
    new TempPotionEffect((LivingEntity)target,effect);
    target.setFallDistance(0);
    if (target instanceof Creature) {
      ((Creature)target).setTarget(null);
    }
    AirAbility.breakBreathbendingHold(target);
  }
}