Some extremists believe that Arden-Sul was the mortal aspect of Sheogorath, and set up camp in the swamps of Dementia, killing all who disagree with their beliefs and using Flesh Atronachs to protect their bases. Relmyna creates these constructs by infusing the void essence of a Daedra within a humanoid body stitched together from enchanted body parts. This is the system of underground root tunnels, which is tended to by the tree-like gnarls. Grummite eggs are often eaten as food, despite their detrimental effects.
Shivering Isles is the first and only major expansion for Oblivion, and the only major expansion pack for the game. Collecting all the Skyshards in one location grants you an Achievement.In-game, clues to each Skyshard's location are listed in the … The villages of Deepwallow and Fellmoor offer relative safety from the monsters that roam the swamps. A place to discuss and ask questions about the fourth part of The Elder Scrolls series and its expansions. The realm's justice system is similar to Imperial law.
Most of the inhabitants of the Shivering Isles naturally worship Sheogorath.
Vitharn, a once-great keep and county founded by fanatics, ruled over Dementia for four generations and planned to usurp the Madgod. His realm, best known as the Shivering Isles, has also been called the Madhouse.