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.

Dune: Prophecy has dropped its third episode. It showcased numerous twists and turns from the fate of Orry Atreides and Griffin Harkonnen to Tula’s attempts to resurrect Lila. With a mix of betrayal,

Sisterhood above all” is the mantra. And it’s not like the Harkonnen sisters don’t believe in it. But Tula has her own agenda, too, just like Valya. They are aligned in their ongoing purpose, one that will combine their personal aims with the Imperium-maneuvering machinations of the reverend mothers.