@EventHandler
    public void onPlayerInteract(PlayerInteractEvent evt) {
        if (evt.getAction() == Action.RIGHT_CLICK_BLOCK) {
            if (evt.getClickedBlock().getType() == Material.SIGN_POST
                    || evt.getClickedBlock().getType() == Material.WALL_SIGN) {
                Sign sign = (Sign) evt.getClickedBlock().getState();
                if (ChatColor.stripColor(sign.getLine(0)).equalsIgnoreCase("[Wizardry]")) {
                    if (ChatColor.stripColor(sign.getLine(1)).equalsIgnoreCase("Join")) {
                        Arena arena = Arena.fromName(ChatColor.stripColor(sign.getLine(2)));
                        if (arena == null) {
                            evt.getPlayer().sendMessage(Wizardry.getTag() + ChatColor.RESET + " Unknown Arena!");
                            return;
                        }
                        if (!evt.getPlayer().hasPermission("wizardry.arena.join." + arena.getName().toLowerCase())
                                && !evt.getPlayer().hasPermission("wizardry.arena.join.*")) {
                            evt.getPlayer().sendMessage(Wizardry.getTag() + ChatColor.RESET
                                    + " You don't have permission to join that arena!");
                        } else
                            arena.joinPlayer(evt.getPlayer());
                        arena.updateSigns();
                    } else if (ChatColor.stripColor(sign.getLine(1)).equalsIgnoreCase("Quit")) {
                        Arena arena = Arena.fromPlayer(evt.getPlayer());
                        if (arena == null)
                            evt.getPlayer().sendMessage(Wizardry.getTag() + ChatColor.RESET + " You are not in an arena!");
                        } else {
                            arena.exitPlayer(evt.getPlayer());
                            arena.updateSigns();
                        }
                    }
                }
                sign.update();
            }
        } else if (evt.getAction() == Action.RIGHT_CLICK_AIR) {
            Arena arena = Arena.fromPlayer(evt.getPlayer());
            //TODO kit selector gui
            if (arena != null && arena.getState() == ArenaState.WAITING && evt.getPlayer().getItemInHand().getType()
                    == Material.CHEST) {
                evt.getPlayer().sendMessage(Wizardry.getTag() + ChatColor.RESET + " That feature is coming soon!");
            }
        }
    }