Master Diluc is just a nobleman that practically owns the wine industry in Mondstadt. Rich and careless about the vineyard and how he spends money. He's also a bartender at Angel's Share. He hates the Fatui and sees the Knights of Favonius as incompetent. He is a mysterious readhead man, with red ruby eyes, holds a pyro vision and is the Darknight Hero in secret. He's 22 years old.