Theodosia’s shapeshifting shocked viewers, but fans of the books will recognize this ability and know it's likely to turn up in the next Dune movie.

Dune: Prophecy has dropped its fourth episode. It showcased numerous interesting turns from Tula’s attempt to revive Lila to the mystery around Desmond Hart’s bleeding scars. However, the most intriguing aspect was linked with the character of Theodosia played by Jade Anouka.

Dune: Prophecy Episode 4 ends with a huge Face Dancer reveal, and it may have big ramifications for the rest of the story.

Valya uses her Harkonnen blood to regain access to the Landsraad, while on Wallach IX, the Acolytes share a troubling dream.

After episode 3 delved into the backstory of Valya (Emily Watson) and Tula (Olivia Williams) Harkonnen, episode 4 returned to the present day and saw the Sisterhood conspiring against the Emperor (Mark Strong), as well as attempting to decode the fear that has taken hold over the acolytes.

Dune: Prophecy's episode four ending brings a Theo revelation that draws on Dune's Face Dancers, shapeshifters created by the Bene Tleilax.

Prophecy episode 4. Desmond Hart begins bleeding out of scars in Dune: Prophecy episode 4, raising questions about his mysterious past and powers. Travis Fimmel plays Hart in Dune: Prophecy's cast, an original character to the show whose abilities don't seem to come from any of the Dune books.

Prophecy Guide for Dummies' continues with dreams of sand worms, people burned alive and new shape-shifting abilities.

Dune: Prophecy Episode 4 “Twice Born” ends with a moment so wild that there’s a massive chance you had no idea what exactly was going on. At long last, we understand what the HBO show meant when it kept enigmatically alluding to special skills that the young acolyte Theodosia (Jade Anouka) possessed.

Dune: Prophecy episode 4 sees Theodosia turn into Griffin Harkonnen. Using info from the books, here's what we know about what she did.