public static void setSkull(Entity killer, Entity target) { if ((killer is Player) && (target is Player)) { if (Location.inFightPits(killer.getLocation())) { return; } if (((Player)killer).getDuel() == null) { if ((killer.getLastKiller() == null || (!killer.getLastKiller().Equals(target)) && !((Player)killer).isSkulled())) { ((Player)killer).renewSkull(); target.setLastkiller(killer); } } } }