Changes

During the Crusade, Abaddon conspired to eliminate rival fellow former [[Sons of Horus]] warband leader [[Drecarth the Sightless]]. Forging an alliance with Drecarth and his [[Sons of the Eye]], the Chaos forces assaulted the [[Forge World]] of [[Arkreath]]. During the battle, the [[Adeptus Mechanicus]] defenders are were crushed and their ziggurats are reduced to a point where they can could no longer function as sophisticated flux-cages{{Fn|3}}. However , at the end of the battle , while they were celebrating their victory, Abaddon betrayed Drecarth and impaled him on his [[Power Claw]]. After the death of their leader, the Sons of the Eye joined the Black Legion.{{Fn|1}}