User blog comment:Jack Pistol/Immortal Dovahkiin?/@comment-3534737-20121003015124/@comment-3492791-20121004053729

Good point about the soul not actually going anywhere.

However there are no remains of Tiber Septiem. The only thing of him left in existence was a piece of his armor in Cyrodiil, and as part of the main quest in Oblivion we blew it up.