Board Thread:Lore Discussion/@comment-11345660-20130908095939/@comment-3573184-20130911072958

I finished the previous post.

Largely quotes from the in-game books Heretical Thoughts, Zealotry, and The Predecessors, which establish a clear cycle of Greymarches happening every 1,000 years, only for the mortal form of Sheogorath, "Arden-Sul", aka the champion, to arrive and stop it, only to become Sheogorath, the daedric prince who is but a man.

Which is further supported by Shivering Isle's MQ, and Sheogorath in Skyrim, where we see the Champion of Cyrodiil after he has become Sheogorath, with Jyggylag nowhere in sight.