Warning: This post contains spoilers for Episode 1 of Dune: Prophecy. Set 10,000 years before the birth of Paul Atreides and his rise as the prophesied messiah known as Lisan-al-Gaib, HBO’s new Dune: Prophecy series chronicles the early evolution of the Bene Gesserit order from a fledgling school for gifted young women to the superpowered mystical sisterhood that’s pulling the strings of the imperial government at the start of Dune. [time-brightcove not-tgx=”true”] Dune: Prophecy is based on 2012’s Sisterhood of Dune, the first book in the Great Schools of Dune prequel trilogy written by Brian Herbert, the son of Dune author Frank Herbert, and Kevin J.