""The Adeptus Soriatas is known and feared throughout the galaxy. They are the daughters of the Emperor, his most zealous and pious warriors who lead the many Wars of Faith against the enemies of Man.
Even though the Orders Militant of the Sororitas serve as the armed arm of the Ecclesiarchy, they primarily rely on the greater Imperium for transportation and war amongst the stars. However, some Orders maintain a handful of warships. Of these none is more venerable or as reknown as the St. Dominica’s Vengeance of the Order of the Ebon Chalice.
Saint Alicia Dominica is the Patron Saint of the Adeptus Sororitas and the founder of the Order of the Ebon Chalice. During the Age of Aposty she served as the leader of the Brides of the Emperor, the bodyguard of the High Lord Goge Vandire and the most elite cadre of the 10,000 strong Daughters of the Emperor. During the climax of the Reign of Blood, multiple Astartes chapters, joined by the Adeptus Custodes and Adeptus Mechanicus, laid seige to Vandire’s Ecclesiarchal Palace. A small Custodian strike force was able to sneak within the palace and confronted Dominica and her Brides. The Custodes Centurion was able to force a truce between the Custodians and Brides long enough to bring Dominica before the Emperor. It is unknown what transpired behind the doors of the Eternity Gate, however when Dominica emerged from the Throne Room, she was filled with righteous anger, finally aware of Vandire’s treatchery and perversions of faith. Dominica then negotiated a ceasefire between the Imperials and the Daughters and then entered Vandire’s chambers. There she found him plotting his next move over a galactic map. Upon pronouncing him a traitor she executed him with her power sword, cutting his Rosarius in half, the very one he had utilized to deceive the Daughters into his service with.
In 650.M36, the Living Saint Dominica finally fell during the Scouring of Frideswide’s World, falling to a single las beam. Upon her death, Ecclesiarch Equitus IX established the office Abess of the Adepta Sororitas, named her the Patron Saint of the Sistehood, and commissioned the vessel St. Dominica’s Vengeance, all in her honour.""