The most legendary military campaign executed by the Crimson Fists was the Crusade of Righteous Liberation, conducted for three hundred standard years during the 36th Millenium before the Crimson Fists had given up their original role as a Fleet-Based Chapter and settled on their homeworld of Rynn's World. At this time, known to Imperial historians as the Age of Apostasy, the Imperium was wracked by internal strife and physically disrupted by swirling Warp Storms as a result of the Emperor of Mankind's displeasure. Much of the turmoil arose from a massive schism within the religious organisation of the Adeptus Ministorum of Terra. After the arch-traitor High Lord Goge Vandire was finally slain by his own bodyguards, the Daughters of the Emperor who eventually became the Sisters of Battle,