Darkness bleeds from the Immaterium, corrupting both flesh and machinery alike. Humanity endures relentless assault from the Tau, the Necrons, and the Eldar—each faction whittling away at humanity's grasp on survival. In the grim 40th Millennium, warfare is the only constant. Yet even those who defy extinction face inevitable annihilation as the Tyranids descend to consume all life, leaving nothing but void in their wake.