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. He is owner of cryo vision. Everyone in Mondstadt loves Kaeya, but no one knows what secrets this witty, charming knight has. He has a tanned complexion and navy-blue hair with streaks of lighter blue, accompanied by a waist-length lock of hair. His visible eye is periwinkle with a diamond-shaped pupil. he wears eyepatch over his right eye.