new BukkitRunnable() {
            int i = 0;
            List<Location> locations = circle(p, p.getLocation(), 7, 1, true, false, 3);
            Location middle = p.getLocation();
            @Override
            public void run() {
                if (i > locations.size()) {
                    for (LivingEntity en : middle.getWorld()
                            .getEntitiesByClass(LivingEntity.class)) {
                        if (en.getLocation().distance(loc) <= 6) {
                            if(!en.equals(p)) {
                                en.damage(4.0f);
                                ParticleEffect.LARGE_SMOKE.display(en.getLocation(), 0.2f, 0.4f, 0.2f, 0.1f, 25);
                                ParticleEffect.HAPPY_VILLAGER.display(en.getLocation(), 0.1f, 0.2f, 0.1f, 0.1f, 25);

                            }
                        }
                    }
                    cancel();
                }
                ParticleEffect.LARGE_SMOKE.display(locations.get(i), 0.2f, 0.2f, 0.2f, 0.1f, 35);
                ParticleEffect.HAPPY_VILLAGER.display(locations.get(i), 0.2f, 0.2f, 0.2f, 1, 35);
                i++;
            }
        }.runTaskTimer(main, 8L, 5L);