20 key differences between Denis Villeneuve's Dune Universe and Frank Herbert's novels 

Sayan
Dune 2 (Image sourced from Warner Bros)
Dune 2 (Image sourced from Warner Bros)

2) Alia’s Role

Dune (Image sourced from Warner Bros)
Dune (Image sourced from Warner Bros)

Alia Atreides plays a pivotal role in the book, born during Jessica’s time with the Fremen and later killing Baron Harkonnen herself. In the films, Alia is still unborn, with her presence limited to brief telepathic moments. This change removes one of the book’s most unusual characters, a precocious child with immense power, avoiding the challenge of portraying her on screen. While this simplifies the narrative, it also shifts Paul into the spotlight as the sole figure confronting the Harkonnens, reducing the complex family dynamics present in the novel.

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Edited by Zainab Shaikh