Murbella is a young Honored Matre captured by the Bene Gesserit in Heretics of Dune (1984) and soon indoctrinated into the Sisterhood. In Chapterhouse: Dune (1985), she kills the Honored Matre leader Logno as Bene Gesserit Mother Superior Darwi Odrade is killed, and manages to secure the leadership of both groups.
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