The Thanatar Siege-automata is a mobile artillery platform rather than a general battle unit, with a heavy frame built to accommodate its huge weaponry and requisite power systems. The Thanatar-Cavas configuration is armed with a Hellex pattern plasma mortar, a terrifying weapon that launches spheres of plasma into the heart of enemy fortifications. The origins of the Thanatar-Cavas remain uncertain, save that its armament is known to be the product of the forge world of Ryza, the sole locale where Hellex pattern weaponry is produced.

This multipart plastic kit builds a Thanatar-Cavas Siege-automata, a hulking demolisher robot fielded by the Mechanicum in the age of the Horus Heresy. The Thanatar's primary weapon is a huge shoulder-mounted plasma mortar, which can be built with its firing aperture open or closed. Its arms are tipped with claw-like shock chargers, and its left arm also features a wrist-mounted twin mauler bolt cannon.

The kit features plenty of posing options to personalise your Thanatar-Cavas, including joints for the waist and shoulders, three right arm poses, two left arm poses with ammo feeds to match, and the ability to build the shock chargers in different grabbing positions.