ARSENAL OF THE IMPERIUM: A TECHMARINE'S 30K AND 40K COMPENDIUM

Brother, hear me now. The gulf between the Horus Heresy of the Great Crusade and the grim darkness of the 41st millennium is vast. While we, the Adeptus Mechanicus, remain loyal to our sacred duty - upholding the Machine God's will - the tools in our hands have shifted. In this hallowed tome, I shall illuminate on the stark differences between the