Nate’s going to need to beg, borrow, and steal every scrap of power he can find to stand a snowball's chance in hell against Mordred and what the notorious traitor has in store for St. Louis. Because Mordred has been planning this moment his entire afterlife, from that dark empty cell in Hell, and will stop at nothing to get his father's old heirlooms back. A certain Round Table and a sword. Only then can his master plan truly begin... The world needs a Fifth Horseman. Whether they want it or not... Whether they can survive it or not...