Synopsis
The tyranids rampage across the world of Thain, their voracious alien hunger bringing death and destruction to all that they touch. A small force of Astra Militarum troopers from the Cadian 32nd regiment stand against them, but their time is numbered - until hope arrives in the form of a force of Adeptus Mechanicus, spearheaded by mighty Kastelan robots. But the robots may not enough to save the Cadians from annihilation – indeed, that may not even be why they are on Thain’