Kaeya Albereich is the Cavalry Captain of the Knights of Favonius. He has navy blue dark hair, combed in long braid, tan skin and an eye-patch over his left eye. Kaeya has blue eyes. He wields a Cryo Vision and has a lot of knowledge about the Abyss. Kaeya is usually seen as flirty and confident, but he is in fact very cunning and sly, easily reading his enemies before they strike. He is a skilled swordmaster, but still a flirt. He has a grim past with Diluc Ragvindr.