There are 6 Warlord Traits that can be taken by any Adeptus Sororitas warlord, and each Order gets a specific one as well. This will influence the units you take and how you take them in your detachments. While the Adepta Sororitas are the Orders Militant of the Ecclesiarchy, there are several non-Sororitas units from the Ecclesiarchy in the codex. The Miracle dice you gain can only be used to perform an Act of Faith for this unit, and only in that phase - at the end of the phase, if the dice has not been used, it is lost. If it does, that Incensor Cherub is removed from play and you gain one Miracle dice roll two D6 when you do so and select which one to keep. Warhammer 40,000/Tactics/Adeptus Ministorum(8E) They grant this ability: Once per battle, at the beginning of a phase, that Incensor Cherub can intercede. What does it do? It lets that unit perform an Act of Faith even if you have already performed one or more Acts of Faith that phase. Several Battle Sisters units can take a Simulacrum Imperialis upgrade. Of course, the number of Relics active decreases as the unit degrades.
Plus, it has Relics of the Matriarchs from the original Orders that each provide an aura. This model has 18 wounds so yes, it degrades6 Bolt pistols, and 14 attacks on the top row of the wound chart. Whether you have been waiting since Codex: Witch Hunters or you are new to Sisters of Battle, there is a lot to cover.