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

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