Alduin is 5'9 tall and has had harsh military training since 5years old till 15years old then he became an assassin.
He is pretty muscular and easily loses control over his emotions.
He is usually very serious unlike in the past.
Alduin Likes to read and knows a little bit of ancient language and is trying to learn more of it.
He also has interests in fights
Alduin worships Wyrvun and his Six