The Everchosen

The Everchosen is Archaon, the Three-Eyed King and Exalted Grand Marshal of the Apocalypse, the mightiest of the Chosen of the Chaos Gods. He serves four of the five Ruinous Powers - Khorne, Nurgle, Tzeentch and Slaanesh - and refuses the Great Horned Rat, whom he thinks unworthy, for he hates all skaven. As the greatest mortal instrument of Chaos in the World-That-Was he was directly responsible for that world's destruction in the End Times. Bearing the mark of all four gods, he does what even they cannot: unite the armies of Chaos into one force bent on destroying the Mortal Realms, and none stands above him but the Dark Gods themselves.