public static void heal(Hero hero) {

    hero.HP = hero.HT;
    Buff.detach(hero, Poison.class);
    Buff.detach(hero, Cripple.class);
    Buff.detach(hero, Weakness.class);
    Buff.detach(hero, Bleeding.class);

    hero.sprite.emitter().start(Speck.factory(Speck.HEALING), 0.4f, 4);
  }
 @Override
 public void use(BlobEmitter emitter) {
   super.use(emitter);
   emitter.start(Speck.factory(Speck.HEALING), 0.5f, 0);
 }