Darth Vader and the Ninth Assassin 4 is the fourth issue of five in the Star Wars: Darth Vader and the Ninth Assassin comic mini-series written by Tim Siedell.

In the ruins of an ancient moon, Darth Vader encounters an evil people with a dark prophecy and a powerful weapon. They are a threat to the Empire and Vader will force them to serve—or crush them all! Meanwhile, the assassin hunting Vader still lurks..