- A vile forge complex where the Thousand Sons' war-engines are constructed and dedicated to Tzeentch. - Requisitions Thousand Sons Vehicle and Aircraft units. - Produces: Rhinos, Rubric Dreadnoughts, Deceivers, Predators, Hell Blades and the Whirlwind. - Produces Special Units: The Ferrum Infernus Dreadnought and the Trophy Grav Raider Relic. - Contains several upgrades that increase the effectiveness of the Thousand Sons' Vehicles. - Allows advancement to Tier III via the Crucible of Infinity upgrade, researched at the Crucible of Sorcery.