The Emperor's personal guard — individually crafted demigods in gold, warders of the Imperial Palace and the Eternity Gate.
Books
James SwallowHorus Heresy
Aaron Dembski-BowdenHorus Heresy
Various AuthorsHorus Heresy
Chris WraightWatchers of the Throne
Nick KymeAdeptus Custodes
Various AuthorsPrimarchs of Horus Heresy
Dark Imperium: Chronology
Chris WraightWatchers of the Throne
Chris WraightHorus Heresy Characters
Dan AbnettThe Horus Heresy: Chronology
Rob SandersThe Horus Heresy: Chronology
Laurie GouldingThe Horus Heresy: Chronology
John FrenchThe Horus Heresy: Chronology