if(cmd.getName().equalsIgnoreCase("start")){
                p.setLevel(10);
                p.sendMessage(plugin.prefix + "§eDer CountDown wurde gestarted !");
                countdown = Bukkit.getScheduler().scheduleSyncRepeatingTask(this.plugin, new Runnable() {

                    @Override
                    public void run() {
                        if(high !=0) {
                            high--;
                            p.sendMessage("§eNoch §c " + high + " §6Sekunden");
                            p.setLevel(high);
                        } else {
                            p.sendMessage("§cDu wirst Teleportirt !");
                            joinArena(p);
                            Bukkit.getScheduler().cancelTask(countdown);
                        }
                    }

            }, 0, 20);
    }