the Dreaming

Dream's domain, the world of dreams, where the fantasies and nightmares of sleeping mortals take place. The denizens of the Dreaming include Lucien, the librarian, Matthew, one in a long series of crows that Dream uses as messengers, Cain and Abel, brothers and sons of Adam and Eve, Eve herself, and, after this story, Nuala of Faerie.

Dream's helmet

A magical device Dream uses to focus his powers and protect himself, the helmet was stolen by the demon Choronzon while Dream was held captive by mortals.

Hell, the Inferno, Abaddon, the Abyss

The dark reflection of Heaven, the vast kingdom of Hell is populated by demons, fallen angels, and the souls of dead mortals who are there to be tortured and tormented for their sins. Hell is ruled by a triumvirate made up of the demon Azazel, the god Beelzebub, and the fallen angel Lucifer, who...