Sheogorath's Signet Ring

 is a unique enchanted ring worn by Staada, a Golden Saint servant of the Mad God Sheogorath.

Effects
Both of the ring's effects are constant 10 points on self:
 * Drain Willpower
 * Fortify Personality

Azura's Quest
Rayna Drolan, the subject of a bet between the deities Azura and Sheogorath has been isolated in a remote shack to determine whether isolation leads to a meditative state or madness. While at Azura's Shrine the Nerevarine learns that Sheogorath has sent Daedra to sway the outcome of the bet. Upon travelling to the shack and slaying the offenders, this ring is found on the finger of Staada, the Golden Saint leader of Sheogorath's forces.

Trivia

 * Sheogorath's Signet Ring is among the five most valuable items of clothing in, all of which are rings. At thirty-thousand gold it is equal to the Blood Ring, Heart Ring, and Soul Ring artifacts. Only the Vampiric Ring is worth more, with a value of 32,000 gold.