Rey's secret Force power - psychometry - could be the key to defeating Emperor Palpatine in Star Wars: The Rise of Skywalker. Rey is undoubtedly one of the most powerful Force users who's been shown on the big screen to date; even untrained, she was able to match Kylo Ren in a lightsaber duel in Star Wars: The Force Awakens. By the time of The Rise of Skywalker, her abilities have been enhanced courtesy of a Force bond with Kylo Ren himself, and she seems to have spent the last year training under various Jedi Master Force Ghosts.