Emerging from the debris of battle, Nate Garrett, the sixteen-hundred-year-old sorcerer also called Hellequin, and his friends must stop My Liege once and for all. But powerful forces stand in their way. To save Avalon, they will need to enlist the help of Mordred, once Nate’s greatest nemesis, now his most formidable ally. But Mordred is grappling with a dark prophecy that could spell Nate’s doom…