Dune: Prophecy tries a different way of making its source material manageable. Rather than follow a familiar plot structure in order to smuggle in some of most bananas material you can find in the multiplex,

Jessica takes the Water of Life in order to replace the Fremen's dying Reverend Mother. However, since she's pregnant, the Water of Life also transforms her unborn daughter Alia Atreides (Anya Taylor-Joy), effectively giving her a Reverend Mother-level of consciousness and power in the womb.

“We call ourselves 10,000 B.C. — before Chalamet,” jokes Emily Watson, who plays Mother Superior Valya Harkonnen. “As an actor, it’s a gift, this world…morally very, very complicated and everyone’s really messed up. But we’re playing with trying to control the universe.”