Origin Mondstadt Constellation Pavo Ocellus Kaeya is an adopted son to the Ragnvindr Family, the renowned tycoon in winery. It has been a long time since he last called Diluc Ragnvindr "brother". Kaeya currently serves as the Cavalry Captain of the Knights of Favonius, trusted by Jean. Kaeya is often the one cleaning or wrapping things up in every incident that occurred in the vicinity of Mondstadt.