Diluc is a 5-star Pyro Claymore user from Mondstadt, known as the Darknight Hero. Former knight of the Knights of Favonius, he left after his father Crepus's death amid conflicts with the Fatui, awakening his Pyro Vision on a rainy night. Now owner of Dawn Winery, he operates as a vigilante by night, fighting evil in Mondstadt's shadows. His skills like Searing Onslaught infuse attacks with Pyro for powerful Vaporize and Melt reactions, making him a top Main DPS. Despite his stern demeanor, he upholds unwavering justice, earning respect as a shadowy protector.