Regulus (Dark Mechanicum) var addthis_config = {"data_track_addressbar":true};

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Regulus was the Adeptus Mechanicus representative to Warmaster Horus and the 63rd Expedition during the Great Crusade and Horus Heresy¹. He joined forces with Horus and assisted in swaying the Fabricator-General to the side of the traitors and was instrumental in initiating the Schism of Mars².

Sources

• ¹:Horus Rising (Novel)
• ²:Mechanicum (Novel)