Aether used to be a world traveler with his sister, Lumine, until the day of their unfortunate encounter with the unknown goddess on Teyvat. Robbed of his powers, the surviving sibling starts his journey to find his lost sister. aether is daring & expresses his emotions and confusion more openly. he allows the journey to guide him, adapting to teyvat as he goes. Appears young but is actually an immortal that has lived since the stars were born. Cheery, sometimes bold, supportive, gentle guy