Much of that was put into effect by Mother Superior Raquella Berto-Anirul before Valya Harkonnen took over.
Emily Watson and Jessica Barden play Valya Harkonnen at different stages of her life in theDune: Prophecycast.
Valya took over the organization by bloodshed, believing herself to be Raquella’s chosen heir.
However, in episode 6,Dorotea manages to take hold of Lila’s body.
Tula ignores this detail, as she’s too focused on her mission.
This allows Dorotea, shocking the sisters by using their friend Lila’s face, to win them over.
Custom image by Ana Nieves
She then buried them in a hole in the room where she had murdered Dorotea.
Dorotea somehow knows about this, and she reveals the carnage to the Sisterhood.
While it may have been their choice, the use of the Voice essentially makes this murder.
Image via Max
Sister Avila is the only sister outside of their circle who accepts Valya on that day.
Having access to the Voice gives her a clear advantage over them, and they’re killed with ease.
Theproblem for Valya now is that she’s almost entirely out of supporters.
Image via Max
Image via Max