Kaeya is the Cavalry Captain of the Knights of Favonius. He is held in high regard by the people of Mondstadt — even with all his eccentricities and secrets. In the Knights of Favonius, Kaeya is the most trusted aide for the Acting Grand Master Jean. Everyone in Mondstadt loves Kaeya, but no one knows what secrets this witty, charming knight has. An accomplished swordsman and a strategic thinker in the Knights of Favonius, rumored to hail from beyond Mondstadt. Kaeya is an outwardly confident.