Star Wars: The Rise of Skywalker introduced Palpatine's Sith Eternal into canon but viewers didn't know what they looked like until now. Palpatine's return from the dead was one of great mystery and something the final installment in the Skywalker saga failed to explain.
Instead, Palpatine's resurrection was waved away by him quoting Star Wars: Episode III — Revenge of the Sith, implying that he harnessed the power of the dark side to retain his life force. And the people responsible for making
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