private static FileConfiguration config = CorePlus.pl.getConfig();
    private static Inventory i = Bukkit.createInventory(null, 9 , ChatColor.LIGHT_PURPLE + "Ender Well");

    public static void openEnderWell(Player p){
        if(!DustAPI.hasDust(p)){
            return;
        }

        if(DustMySQL.getDust(p.getUniqueId()) < 250){
            p.sendMessage(StringUtil.format(config.getString("notenoughdust")));
            return;
        }

        new BukkitRunnable(){

            int d = 0;

            @Override
            public void run() {
                d++;

                if(d == 2){
                    p.openInventory(i);
                }

                if(d == 20){
                    int[] mat = new int[3];
                    mat[0] = Material.getMaterial(mat[381]).getId();
                    mat[1] = Material.getMaterial(mat[388]).getId();
                    mat[2] = Material.getMaterial(mat[133]).getId();
                    int chooser = (int) (Math.random() * 3);
                    i.setItem(0, new ItemStack(Material.getMaterial(mat[chooser])));
                    i.setItem(1, new ItemStack(Material.getMaterial(mat[chooser])));
                    i.setItem(2, new ItemStack(Material.getMaterial(mat[chooser])));
                    if(i.contains(new ItemStack(Material.EYE_OF_ENDER))){
                        p.sendMessage(ChatColor.LIGHT_PURPLE + "You have won 150 ender dust");
                        DustAPI.updateDust(p, DustMySQL.getDust(p.getUniqueId()) + 250);
                    }

                    if(i.contains(new ItemStack(Material.EMERALD))){
                        p.sendMessage(ChatColor.GREEN + "You have won 100 gems");
                        GemsAPI.updateGems(p, GemsMySQL.getGems(p.getUniqueId()) + 100);
                    }

                    if(i.contains(new ItemStack(Material.EMERALD_BLOCK))){
                        p.sendMessage(ChatColor.GREEN + "You have won 250 gems");
                        GemsAPI.updateGems(p, GemsMySQL.getGems(p.getUniqueId()) + 250);
                    }

                    if(d == 45){
                        p.closeInventory();
                        this.cancel();
                    }

                }
            }
        }.runTaskTimer(CorePlus.pl, 0, 0);
    }

}