The Warlock is the sequel to the Necromancer. Prometheus and both of the Flamels escape Prometheus' dying Shadowrealm and flee to Tsagaglalal house, She Who Watches, also Abraham the Mage's wife. Sophie and Niten also flee to her house. Black Hawk, the servant of Quetzalcoatl, brings Mars Ultor, Hel, and Odin to her house, all of them except Black Hawk wanting to kill Dee. Tsagaglalal turns out to be Aunt Agnes, Sophie and Josh's babysitter. She gives them each a jade tablet engraved with a message written by Abraham the Mage. Mars, Hel, and Odin set out to kill Dee, and Sophie is taught Earth Magic. Meanwhile, the Danu Talis group is caught by anpu, the guards and soldiers of Danu Talis. Marethyu convinces Aten, the lord of Danu Talis, to betray the city and let them go, thus becoming a warlock, somebody who breaks their word. Aten agrees. Dee creates a time portal using the Four Swords of Power: Clarent, Joyeuse, Durendal, and Excalibur, just as Sophie appears. She and the Dee group, including Josh, jump into the portal and are pulled into the time of Danu Talis. It is revealed that Isis and Osiris are Josh and Sophie's parents, and are also Dee's master.
You should read the Secrets of The Immortal Nicholas Flamel books 1-4 to understand some of the things that are in this book. -Albert
