Warhammer 40k Codex Chaos Knights

As the Chaos Knights march to war, the skies darken with unnatural storms, and the ground shakes beneath the tread of towering war engines. When gathered beneath the banner of a suitably tyrannical or diabolical leader, entire lances of Chaos Knights can shatter armies and conquer worlds. These nightmarish machines – and their heretical pilots – are death to any who face them on the field of battle.