Horus Heresy · atlas

005.M31 · The Fall

Schism of Mars · the “Death of Innocence”

Place: Mars · Segmentum Solar

Fig. 1 · Place on the map

Traitor victory Kelbor-Hal gives Mars to Horus; the Dark Mechanicum is born.

Fabricator General Kelbor-Hal, regarding the Emperor as a false Omnissiah, swore himself to Horus and unleashed the corruption of scrapcode on Mars, setting off the civil war of the Mechanicum (the “Death of Innocence”). The loyal forges of Koriel Zeth and Ipluvien Maximal resisted; Sigismund covered the evacuation of priceless armour, but the Alpha Legion managed to steal the armour templates.

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Sides

Loyalists

Legions

Special forces

Commanders

Traitors

Special forces

Commanders

Type
Battle
Scale
3 of 5
Casualties
Barely a thousand loyalists survived, carrying tens of thousands of sets of Mk IV-VI armour to Terra.

Significance

Horus obtains the industrial might of Mars; the loyalists blockade the Red Planet for the whole of the war.

Canon note

  • 005–006.M31 (Fandom); the blockade of Mars held until the Solar War.

Sources

  1. Lexicanum: Schism of Mars
  2. WH40k Fandom: Schism of Mars
  3. Mechanicum (G. McNeill)

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