The Leman Russ Vanquisher is a variant of the Astra Militarum’s primary main battle tank, the Leman Russ. The Leman Russ is named after the Primarch of the Space Wolves Space Marines Chapter, Leman Russ, and is one of the most common armoured vehicles used by the Imperium of Man. The Leman Russ Vanquisher variant differs from the standard pattern Leman Russ in that its main weapon is a Vanquisher Cannon, as opposed to the Battle Cannon. The Leman Russ Vanquisher is a much rarer and more advanced variant of the standard Leman Russ as the long-barrelled Vanquisher Cannon mounted on the Leman Russ Vanquisher is capable of firing powerful anti-tank shells. In addition, there is a Storm Bolter mounted co-axially to the main cannon.
The Stygies VIII variant of the Vanquisher cannon, while lacking the immense length of the Gryphonne IV guns to generate shell velocity, utilises a slightly smaller calibre shell with increased barrel rifling.