Horus Heresy · atlas

006.M31 · The Isstvan Massacre · date approximate

Scourging of the Cyclops Cluster

Place: Cyclops Cluster · Segmentum Obscurus

Fig. 1 · Place on the map

Traitor victory Horus’s emissary Regulus turns the forge worlds of the Cyclops Cluster to treason.

Horus’s emissary Regulus was sent to the forge worlds of Mezoa and M’Pandex in the Cyclops Cluster. The opening manoeuvres turned the forge worlds to Horus before the siege of Mezoa, cutting off a loyal world by blockade by the end of 007.M31.

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Sides

Loyalists

Special forces

Traitors

Special forces

Commanders

Type
Battle
Scale
2 of 5

Significance

Preparing the ground for the Mezoan campaign; the expansion of the Dark Mechanicum to the north.

Sources

  1. Lexicanum: Mezoan Campaign
  2. FW Black Book VIII: Malevolence

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