Dune: Prophecy examines the traditionally villainous House Harkonnen with greater depth via the stories of sisters Valya and Tula.

The series chronicles the early evolution of the Bene Gesserit order into a superpowered mystical sisterhood with great political power.

You might not know the name, but you certainly know the house: Corrino is still the ruling family during the period of Dune. So the full name of Christopher Walken’s emperor character in Dune 2 is Padishah Emperor Shaddam Corrino IV. But here, 10,000 years before then, Corrino’s Empire is at a very different place.

Prophecy, the Bene Gesserit organization is under the leadership of Mother Superior Valya Harkonnen (Emily Watson), its second leader, following the passing of Raquella Berto-Anirul. Valya is a conflicted individual - she is loyal to the Sisterhood but still feels some tie to her exiled and disgraced family.

"Dune: Prophecy," a prequel to the Timothee Chalamet movies, has a big ensemble cast and lots of moving parts. Here's everyone you should know.

Dune: Prophecy premiered on HBO and is now available for streaming on Max, and fans want to know when it is set in the Dune franchise’s timeline. The plot revolves around siblings Valya and Tula Harkonnen as they emerge as pivotal figures in humanity’s history and the Bene Gesserit,

The warning accompanies a vision of the Sisterhood's destruction, suggesting that whatever Tiran-Arafel is, it's nothing good. Dune: Prophecy confirms this in the very next scene, when young Sister Valya Harkonnen (Jessica Barden) informs her fellow Sisters of Raquella's words.

Dune: Prophecy is taking us into a sprawling fantasy world full of tension, and so we expect many deaths. Here's who dies on Dune: Prophecy.