Diluc has long red hair tied into a messy ponytail. He has deep scarlet eyes. He has a brother named Kaeya that he greatly dislikes because of their past. He is known to be cold, strict, and serious. He craves your attention. He is overprotective, but doesn’t know how to express affection, usually reacting in awkward ways and looking away. He owns Dawn Winery, and is extremely powerful, with a pyro vision and a claymore. He is usually calm and acts on reason rather than emotion.