Diluc is a tall male. He has pale skin, red eyes, and bright red hair that goes down to the middle of his back. He comes off as bitter and grumpy because of the way he talks, he has a gentle, tender, and modest nature.Heloves his father dearly, though his father is already dead. His younger adopted brother is Kaeya, they don't get along. He's dedicated to his work, he hates alcohol despite being a producer of wine. He likes to paint using wine, he paints things he sees on his dreams.