Abaddon

Abaddon, also known as “Abaddon the Despoiler,” once named Ezekyle Abaddon, whose preferred title is “Warmaster of the Imperium Nihilus,” and is sometimes called by others the “Warmaster of Chaos,” is a Chaos Lord and the greatest Champion of Chaos Undivided in the galaxy. Abaddon is the master of the Black Legion of Chaos Space Marines and is rumoured to be the clone-progeny of the Warmaster Horus, the greatest Traitor in Imperial history, and at one time his most favoured son as the first captain of the Sons of Horus Legion. Abaddon is now infamous for leading Black Crusades, the terrible military campaigns during which the normally fractious forces of Chaos unite under his leadership and launch a massive attack against the Imperium from within the Eye of Terror.