The 32-year-old actress, who is playing Jyn Erso in the movie, said the fight scenes took "a lot of hours of practice," reported Entertainment Weekly.
"I'm laughing now, but at the time, it was physically exhausting. It took a lot of hours of practice, and I worked with a kung fu coach, and I learned to fight, even though I never thought beating up Stormtroopers was something I'd be doing in my job.
"It came through hard work and lots of practice and rehearsals," Jones said.
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