 Rakis itself is destroyed by the Honored Matres at the end of "Heretics of Dune"; in "" (1985), Sheeana is now in charge of the project to breed sandworms on the Bene Gesserit world Chapterhouse.She becomes a full Reverend Mother but remains very independent, with mysterious depths.Disagreeing with the plans of new Bene Gesserit leader Murbella, at the end of "Chapterhouse Dune" Sheeana chooses to escape Chapterhouse on a no-ship with the Duncan Idaho ghola.