The Imperial province of Westerland and its capital Marienburg secede from the Empire, buying their independence from Emperor Dieter IV. 2420Ī former templar of Sigmar turned champion of Chaos, Archaon emerges from the Altar of Ultimate Darkness blessed by the Mark of Chaos, having taken the first step on a quest to become the herald of the apocalypse. A slann ritual intended to push Morrslieb out of orbit goes wrong, shaking loose meteors of warpstone that rain down across the world.