Prophecy" chapter ended with Desmond Hart squaring off against Mother Superior Valya Harkonnen and deflecting her homicidal use of The Voice to get him to kill himself, and Sister Lila now lost in a coma after experiencing the horrors of genetic memory while enduring The Agony.

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.

Prophecy ended with an explosive reveal: Emperor Corrino taking the side of his soldier Desmond Hart over Mother Superior Valya

Sisterhood above all” is the motto of Valya and Tula’s secretive organization, but its meaning seems to depend on which sister is saying it.

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**

Prophecy season one, episode three, "Sisterhood Above All," the series shows us flashbacks of Valya and Tula Harkonnen's past.

Prophecy episode 3, which has significant thematic meaning for House Harkonnen. 10,000 years earlier than Denis Villeneuve's movies on Dune's timeline, House Harkonnen and House Atreides are still at each other's throats.

Prophecy Episode 3, an animal commonly associated with the Atreides family faces a Harkonnen after a massacre driven by revenge.