text: Realm of Chaos: Slaves to Darkness (1988) • Epic: Space Marine (1989) • Horus Heresy (board game) (1993/2010) • Horus Heresy (card game) (2003–2005) • Horus Heresy Art Book Series (2004–2006) • Horus Heresy Novel Series (2006–ongoing) • Horus Heresy (miniatures wargame) (2012–ongoing)Canon informationDate