This 152-page tome covers everything players need to know about the children of the Chaos Gods, the Chaos Daemons. It is chock full of eldritch esoterica, forbidden daemonology, and in-depth rules for use in games of Warhammer 40,000. The book also contains 56 datasheets divided between the forces of the four Chaos Gods as well as Be'lakor's Army of Renown. This book also details 25 Warlord Traits, 24 Relics, 36 Stratagems, and psychic powers.

Games Workshop also recently revealed Ka’bandha, Daemon General of Signus, for Warhammer: The Horus Heresy (see "'Warhammer: The Horus Heresy'").