The Brotherhood of the All Seeing Eye was an order of Archivists within the Mechanicum during the time of the Great Crusade and the Horus Heresy that resided on the Machine Cult's homeworld of Mars. They witnessed the destruction of countless pieces of priceless knowledge at the hands of the Dark Mechanicum during the Martian civil war known as the Schism of Mars at the start of the Horus Heresy in the early 31st Millennium that had been maintained or recovered by the Mechanicum from Mankind's lost past.


  • Mechanicum (Novel) by Graham McNeill

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