What happens on elder scrolls IV shivering isles when you complete it

You become sheograth the madgod. Ruler of the shivering isles. you get his staff which can freeze all enimies in place within 75 ft. for 15 sec. and full control over the realms weather. and army's. You get a replica staff of Sheogorath's (you now) and get the greater power to change the weather once a day. You also get one dark seducer and one golden saint bodygaurd to protect you. His staff freezes all people who are attacking (friendly or not) in place within 75 ft. for 15 sec.!