'Dune: Prophecy' star Jessica Barden filmed one of her most intense scenes at the edge of a real cliff. Jessica Barden may play one of the most inscrutable characters on "Dune: Prophecy," but in real life, she's more than happy to share whatever's on her mind. Jessica Barden in "Dune: Prophecy" season 1 episode 3. Attila Szvacsek/HBOThe scene in question takes place during "Dune: Prophecy" season one, episode three. The "Dune: Prophecy" season finale airs Sunday at 9 p.m.

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Persons: Jessica Barden, Barden, Valya Harkonnen, Denis Villeneuve, Emily Watson, Valya, Attila Szvacsek, Tula Harkonnen's, it's, Richard J, Lewis, I'm, Emma Canning, Richard Organizations: HBO Locations: Bene, Barden, Hungary, Tula Harkonnen's backstories, Max