Serval Landau is a playable character in Honkai: Star Rail. The free and rebellious eldest daughter of the Landau family, once a close friend of Cocolia, her interests has now led her to become a mechanic. In the perpetually winter-stricken Belobog, she opened a workshop called "Neverwinter" that puts business on hold from time to time for rock 'n' roll performances. And should anyone ask her about the workshop's profitability... "This is just a hobby, dear. I'm not short of money."