In the comic Star Wars: Darth Vader #12, it details the same scene from Darth Vader’s perspective.
After decades of speculation and theories, a Star Wars comic has finally revealed Darth Vader’s reasoning for keeping Chewbacca alive in a famous scene from The Empire Strikes Back.
Instead, Darth Vader wanted to keep Chewbacca alive because he wanted the Rebels to collectively suffer even more.
However, before Boba Fett can finish the job, Darth Vader lifts his arm to prevent the bounty hunter from killing Chewbacca.