@SuppressWarnings("static-access")
    @EventHandler(priority = EventPriority.HIGH)
    public void onPlayerDamage (EntityDamageByEntityEvent event) {
        Entity entity = event.getEntity();
        Entity damager = event.getDamager();
        if (entity instanceof Player) {
            if (damager instanceof Skeleton) {
                Player player = (Player) entity;
                Skeleton lich = (Skeleton) damager;
                if (MMLich.isLich(lich)) {
                    player.addPotionEffect(new PotionEffect(PotionEffectType.WITHER, 100, 3));
                    player.addPotionEffect(new PotionEffect(PotionEffectType.REGENERATION, 100, 1));
                    player.addPotionEffect(new PotionEffect(PotionEffectType.HUNGER, 100, 1));
                    player.sendMessage("" + ChatColor.RED + ChatColor.ITALIC + "You start to uncontrollably shudder!");
                }
            }
        }
    }