The Horus Heresy series takes place during a fictional galaxy-spanning civil war occurring in the 31st millennium, 10,000 years before the main setting of Warhammer 40,000. The war is described as a major contributing factor to the game’s dystopian environment.

Warhammer is a tabletop wargame produced by Games Workshop, encompassing fantasy and science fiction-based universes, where players collect, build, and paint miniatures to represent armies and engage in strategic battles.

Warhammer features extensive lore, narratives, and fictional histories, explored through novels, tabletop games, and other media. The game involves strategic decision-making, unit movement, and combat resolution through dice rolls and rule application.

The Allegiances

Loyalist Space Marine Legions

  • Loyalist Legiones Astartes
  • Blood Angel
  • Dark Angels
  • Imperial Fists
  • Knights Errant
  • Iron Hands
  • Raven Guard
  • Salamanders
  • Space Wolves
  • Ultramarines
  • White Scars

Traitor Space Marine

  • Alpha Legion
  • Death Guard
  • Emperor’s Children
  • Iron Warriors
  • Night Lords
  • Sons of Horus
  • Thousand Sons
  • Word Bearers
  • World Eaters

Forces of the Cult Mechanicum

  • Mechanicum
  • Questoris Knights
  • Titan Legions

Forces of the Emperor

  • Forces of the Emperor
  • Assassins
  • Imperialis Militia and Warp Cults
  • Legion Custodes
  • Sisters of Silence
  • Solar Auxilia
  • Talons of the Emperor