"The Lesser Evil" represents a concise story crafted by Peter M. Schweighofer, which initially appeared within the pages of the Shadows of the Empire Sourcebook.
To halt the spread of a disease originating from a flawed biological test—the result of a laboratory mishap—Darth Vader commands an orbital assault on Falleen. This critical choice is made by Vader aboard the Star Destroyer known as the Devastator, subsequent to a discussion with Captain Bolvan.