The Gothic War, also called the 12th Black Crusade, was a vast military campaign against the Imperium of Man launched by the Warmaster of Chaos Undivided Abaddon the Despoiler of the Black Legion in 139.M41 which lasted until 160.M41. Abaddon managed the rare feat of uniting the disparate forces of the Ruinous Powers under the banner of Chaos Undivided and led his Chaos Space Marines and the rest of the Forces of Chaos from the Eye of Terror into realspace where they engulfed the strategically important Gothic Sector of the Imperium of Man in war. The conflict consisted of hundreds of planetary invasions and naval battles and only ended when Abaddon was forced to retreat to the Immaterium with the arrival of Imperial reinforcements. It saw the destruction of several planets and four of the