Desmond Hart showed the whole Imperium his “great power” in Dune: Prophecy’s fourth episode. His display came with a cost, one that went beyond his physical pain.

The following contains spoilers from the Dec. 15 episode of HBO’s Dune: Prophecy. Ahead of next Sunday’s season finale, HBO’s yet-to-be-renewed Dune: Prophecy dropped a few bombshells — including the mysterious and powerful Desmond Hart’s origins.

Prophecy is just one episode away from its finale. The TV series is a prequel to the 2021 film and explores the origins of the Bene Gesserit, a powerful sisterhood. Fans have praised the show for its rich narrative and diving into themes like power,

Prophecy, Desmond Hart (Travis Fimmel) gets bestowed the rank of “Bashar” by Emperor Javicco Corinno. This has sparked intrigue among viewers, who are already curious about the many mysteries presented to them by the series.

Dune: Prophecy Episode 5 reveals the earliest form of the Sardaukar, with Desmond Hart as their first leader, known as a Bashar. Their armor looks a bit different: instead of the grey armor and helmets we see in the Dune films, they wear blue and black suits with face masks (they look a bit like Mortal Kombat fighters).

The penultimate episode of Dune: Prophecy answers two big questions about the central mystery of Desmond Hart while leaving another question to linger. By the end of “In Blood, Truth,” we know that Desmond is the son of Tula Harkonnen and Orry Atreides and that he is burning his enemies with a variation of the Omnius plague.

Desmond Hart's true identity and origins are explored at the end of Dune: Prophecy episode 5 "In Blood, Truth" which reveals his secret relatives.