The Dune: Prophecy finale episode took us back to the past one more time, so we could get the final answers we need to the question of how did our current story come to pass. Here’s what we learned.

Valya has taken Ynez and her rebel lover, Kieran Atreides, to the desert planet of Arrakis — Dune, in the parlance of our times — in order to investigate the origin of their common enemy ...