Disney and Lucasfilm have revealed the Sith Trooper from Star Wars: The Rise of Skywalker, a new trooper that features a “modern and more menacing look befitting its namesake.”
At San Diego Comic-Con 2019 from July 18-21, Lucasfilm will be celebrating the history and future of stormtrooper design with an exhibit that includes nine screen-used costumes of an Imperial stormtrooper, TIE pilot, death trooper, shoretrooper, biker scout, First Order stormtrooper, First Order TIE pilot, Captain Phasma, and the brand-new Sith Trooper.
Source: IGN.com Star Wars: The Rise of Skywalker New Sith Trooper Revealed