Horus Heresy · atlas

004.M31 · The Fall · date approximate

Cleansing of Arigatta

Place: Arigatta · Segmentum Ultima

Fig. 1 · Place on the map

Loyalist victory A joint pacification by three Legions before the schism of the Heresy.

A joint Imperial pacification by the Sons of Horus, Ultramarines and World Eaters of the world of Arigatta, which had refused Compliance — a harbinger of the Heresy, when three Legions still acted in concert.

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Sides

Loyalists

Legions

Special forces

Traitors

Participants not reconciled.

Type
Battle
Scale
1 of 5

Significance

An illustration of the unity of the Legions on the eve of the schism.

Sources

  1. WH40k Fandom: Horus Heresy Chronology

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