In the wake of the mad High Lord Goge Vandire's downfall in the 36th Millennium, which ended his tyrannical Reign of Blood, Sebastian Thor was declared Ecclesiarch, and instituted sweeping reforms to the Ecclesiarchy. The High Lords of Terra were fearful of a repetition of the Reign of Blood. and so the "Decree Passive" was passed, forbidding the Ecclesiarchy from maintaining "men under arms." Alicia Dominica, at Thor's order Formally Founded the Orders Militant of the Adepta Sororitas, which adhered to the letter. if nor the spirit of the decree in that all its warriors were female. Following Thor's Reformation, the newly founded Adepta Sororitas were split between the Convent Prioris on Holy Terra and the Convent Sanctorum on Ophelia VII. Both of these Convents are massive fortresses hou