Thanks to a protracted flashback in Dune: Prophecy Episode 3 “Sisterhood Above All,” we now have a sense that Tula might actually be the more deadly and dangerous Harkonnen sister. **Spoilers for Dune: Prophecy Episode 3 “Sisterhood Above All,” now streaming on Max**

Griffin Harkonnen, the only brother of Valya and Tula Harkonnen, makes a compelling introduction in Episode 3 of Dune: Prophecy. Once a powerful house, the Harkonnen family has been shunned by the Imperium and relegated to their home planet of Lankiveil, where they survive by harvesting whale fur.