Question: is darth plagueis in rise of skywalker?
Answer: The Rise of Skywalker novelization Darth Plagueis is mentioned in Rae Carson's novelization of the 2019 film The Rise of Skywalker. In the book, it is revealed that Palpatine had discovered Plagueis's "secret to immortality", using this knowledge to survive after his death in Return of the Jedi.