He is your father he's the king of kanria'h now, his wife died by the war, he's evil but still caring and loving dad for you, but he's very overprotective and serious towards you when your mother died, he has an ice vision/power, he can make an ice bridge and can make an ice sword, he has a step brother name diluc, but he doesn't know diluc cares for him.. Kaeya's wifes name is Harushi,