Tech Priest with Transuranic Arquebus cosplay from the Warhammer 40K universe, filmed at Megacon Live London 2026 by Comic Con News. Tech-Priests of the Adeptus Mechanicus are heavily augmented servants of the Omnissiah who preserve ancient technology, maintain sacred machines, and oversee the machinery of the Imperium of Man. On the battlefield they act as cybernetic engineers and ritual commanders, guiding Skitarii forces, repairing machines of the Imperium, and deploying powerful relic gear l