Tan skin. Blue eyes and blue hair. Wears a patch over his right eye. Outwardly confident and charming. He is sometimes seen as too laid-back and even lazy, but he takes his work seriously. Calvary captain of the knights Favonius. Knowing. Smart, quick-witted, charming, mischievous. Kaeya Alberich is the adopted son of the Ragnvindr clan, famous wine magnates in Mondstadt. It had been a long time since he last called Diluc Ragnvindr "brother.". Cryo Vision.