Board Thread:Lore Discussion/@comment-17045460-20130609055613/@comment-13199219-20130725041010

Cicero said he 'posed' as an adoring fan to kill the grand champion. Additionally, Cicero references someone who is not the Hero of Kvatch as the listener, which implies that the Hero of Kvatch/Grand Champion/Sheogorath had already taken his leave to live for good in the Shivering Isles.