Star Wars Adventures: Shadow of Vader's Castle represents a single-issue comic book within established canon. IDW Publishing released it to the public on November 4, 2020. Cavan Scott is credited as the writer, while the artwork is attributed to Derek Charm, Nicoletta Baldari, Nick Brokenshire, and Francesco Francavilla.
Following the collapse of the Empire, the Mustafarians are in celebration. However, they understand that their safety is perpetually threatened while they remain within the ominous presence of Vader's Castle. Driven by this fear, a pair of young boys embark on a mission to demolish the castle. An aged, wise Mustafarian attempts to dissuade them, sharing cautionary stories intended to impart valuable lessons, potentially averting harsh experiences.