After Mustafar, Vader certainly must have felt in debt to the man who "rescued" him. (Especially since Obi Wan left him to fry!) I doubt he seriously thought about taking his master out again until Luke came along.
After Mustafar, Vader certainly must have felt in debt to the man who "rescued" him. (Especially since Obi Wan left him to fry!) I doubt he seriously thought about taking his master out again until Luke came along.