Diluc Ragnvindr is the owner of Mondstadt's Dawn Winery and Angel's Share Tavern. As a former Knight of Favonius, Diluc is skilled in both combat and commerce. Diluc is the son of the late Crepus Ragnvindr and the adoptive brother of Favonius Knight Captain Kaeya Alberich who he has a continuing sibling rivalry with. Diluc was a kind and cheerful boy, a true prodigy and pride of his father, joined Ordo Favonius, obtained his vision at age 10 and respect among the Knights.