Prophecy, while Mother Superior Valya Harkonnen endeavors to shore up the Sisterhood’s Imperium support in the present, we also return to flashback mode, and what Young Valya and her sister Tula (Emma Canning) were up to in the past,

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.

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

The following review contains spoilers for the third episode of Dune Prophecy, “Sisterhood Above All”

It had to happen eventually, and it finally does here in Episode 3 – Dune: Prophecy shows some weakness in its storytelling. The midpoint is a strange time to pull out an episode almost entirely dedicated to explanatory flashbacks,