By taking the venerable Triaros Armoured Conveyor chassis and filling its hold with mortar tubes, the Mechanicum created one of the most effective and resilient artillery tanks of the Heresy – the Karacnos Assault Tank. Well protected on all sides and armed with sponson-mounted lightning locks, the lingering radiological flames its ordnance leaves behind are lethal to both fleshy troopers and armoured assailants alike.