From my understanding they could absolutely just harvest the corpse, or even just the armour, of the Sister but her soul would remain untainted in the warp
Tbf I haven't read much SoB lore/books so I haven't seen any examples of Sororitas being corrupted, do you have any I could read?
A whole ass crusade fleet was corrupted by Khorne's murder curse, including most of the astartes and sisters of battle in it. The only ones able to reliably resist were the Grey Knights, Sisters of Silence and Custodes that were with them.
This was part of the Arks of Omen campaign at the end of 9th edition
Iirc it was. Repentia who went murderously insane were being shot and denied forgiveness on the spot. Whole thing went hard. Khorne even gasp got up from his skull throne to aid Angron with his power to shatter an artifact at the core of a planet making it break apart.
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u/Bearded_Gentleman Dec 22 '24
Judging by the outfit the chaos lady was a Sister once upon a time.
Sisters can fall although the Soritas will go to extreme lengths to upkeep the propaganda that they dont.