Naming of moons underworld, and Nix (a respelling of Nyx), mother of Charon, is the goddess of darkness and the night. Kerberos is a giant three-headed dog who guards the entrance to the underworld. The fifth moon is named for the river Styx that forms the boundary between the worlds of the living and the dead. The name of Eris's moon Dysnomia was suggested by its discoverer Michael E. Brown, who also suggested the name of the dwarf planet. The name has two meanings: in mythology Dysnomia (lawlessness) is the daughter of Eris (chaos). However, the name is also an intentional reference to
The Anubis Gates Egypt, where the magicians' Master tempts him with resurrecting his dead wife if he will tell them the secrets of the time-gates. Doyle resists and kills the Master. Meanwhile, Jacky discovers Darrow's secret and kills him along with Dog-Face Joe. Doyle returns to London, where the last magician, Romanelli, kidnaps him, Jacky, and Coleridge. In a drugged stupor, Coleridge frees Horrabin's twisted menagerie of monsters, allowing him and Jacky to escape. Romanelli escapes with Doyle to the underworld, but is eaten by Apep while Doyle is rejuvenated on board the sunboat of the god Ra. Doyle meets back up with