Board Thread:Lore Discussion/@comment-71.61.178.23-20130722105712/@comment-71.61.178.23-20130722110910

No. In the Oblivion DLC Shivering Isles, Sheogorath was freed to become Jyggalag, while the player character became the new Sheogorath. Jyggalag, we now posit, has been building up his strength since then.

- WorshipsMeridia