Star Wars Adventures: Shadow of Vader's Castle is a canonical one-shot comic issue that was published on November 4, 2020 by IDW Publishing. It was written by Cavan Scott and illustrated by Derek Charm, Nicoletta Baldari, Nick Brokenshire, and Francesco Francavilla.
The Empire has fallen, and the Mustafarians celebrate. But they know they will never be safe as long as they live in the shadow of Vader's Castle. Two young boys decide they're going to destroy the castle themselves. But a wizened old Mustafarian tries to put them off by telling them tales to teach them the lessons they might otherwise have to learn the hard way.
- Star Wars: Vader's Castle – The Deluxe Library Collection