Ritual of Mania Ritual of Mania is a quest in . Sheogorath wants to replace one of the aristocracy of his kingdom : either Lady Syl , Duchess of Dementia ; or Lord Thadon , Duke of Mania . Taking sides . Note : " This is the point to choose a side . One must pick which Duke / Duchess to replace . One can pick either side and still complete the Main Quest , the choice made will have certain consequences . " If Mania is picked , it will begin this quest , Ritual of Mania . Walkthrough . After speaking with Sheogorath , talk to both priests . They can explain Arden Sul ' s background . Both sides claim Arden - Sul was their duke , though their stories of his final day are wildly different . If choosing to dethrone Lord Thadon , tell Sheogorath . He claims this is the easier choice and tells one has to give Thadon three doses of Greenmote to kill him . House of Mania . Talk to Wide - Eye , a member of Thadon ' s court . During the day she can be found in the throne room or the Halcyon Conservatory . She says that Thadon enjoys " his pleasures , which include painting , reading a good book , a rousing night of erotic bedroom games , " and also Greenmote . Wide - Eye says that she would enjoy Greenmote more often , but she is too busy . Her disposition must be raised before she will say what her duties are . They include a " special errand " every day at noon . She also says that the Greenmote is stored in a secret silo , and she refuses to tell where it is , regardless of how high her disposition is . Greenmote Silo . Wait until noon , Wide - Eye will be in the Halcyon Conservatory . Follow her onto the Palace Grounds , where she will activate a statue . The statue will slide aside and the entrance to the Greenmote Silo . Wait for Wide - Eye to go inside and then follow her . This is a sneak mission , so invisibility spells are useful here . Follow the passage around to the right to catch up with Wide - Eye . The Silo is patrolled by Golden Saints who will arrest on sight . Wide - Eye will attack outright if seen by her . Stick to the shadows , don ' t use spells or torches , and stay close to Wide - Eye . At the back of the cave is a shapeless green mound . Be careful , as Wide - Eye will be standing next to this mound . Sneak around her and get close enough to the mound . This is the Greenmote Pile , and activating it will put Greenmote in the inventory . At least two doses are needed , but feel free to take as much as possible . It ' s valueless , but Greenmote Rapture is also one of the more powerful effects in all of alchemy . Note : Taking three doses of Greenmote at the same time will cause instant death by overdose . As soon as two doses are picked , Wide - Eye will head back outside . Follow her out , being careful not to be spotted . There are two alternate , though inelegant , ways to accomplish this portion of the quest . As long as one makes it to the Greenmote Pile and get the two doses , all will be okay . The Greenmote will not count as a stolen item so even if arrested it will be keep in the inventory . Duke ' s Quarters . Once outside head back to the House of Mania . On the east side of the Halcyon Conservatory is the Duke ' s Quarters . Pick the leveled lock to gain entrance . Both the Conservatory and the Quarters are patrolled by Golden Saints , and this time a sloppy , pell - mell run through the area will be much more dangerous . If resisting arrest , the entire House comes running and everyone refuses any yield , at least until one is back in Bliss or Crucible . The kitchen is in the northeast section of the quarters . Activating the tray of food will take one dose , activating his wine will take the other . The wine is on the second shelf of the bookshelf to the right of the food . Look for the tallest bottle on the shelf . After that , go back to the House throne room . Wait until 8 : 00 p . m . , and watch Thadon recite terrible poetry until his heart bursts . Collect his blood and go back to the Sacellum Arden - Sul . Remember also to loot his corpse for the Diadem of Euphoria , a leveled helmet with Fortify Speechcraft Fortify Magic , and Resist Magic enchantments . Sacellum . Activate the altar in the Sacellum and a bright yellow flame will shoot up . Dervenin will then declare the Hero Duke of Mania . Speak to Sheogorath , who will congratulate on the success . Suddenly , Lady Syl interrupts , furious at Thadon ' s death and the succession . She declares open revolt , tells Sheogorath that the Fringe has already been lost , and leaves to become a Priest of Order for Jyggalag . Speak to Sheogorath again . He will give the Hero the Ring of Lordship and then send them off to investigate the Fringe . At this point they have full use of the Duke ' s Quarters . They can take anything they want , sleep in the bed and store anything in any of the containers . Not all the containers however are safe . The two barrels and the wooden chest respawn and are not safe for storage ; all the other containers are safe . This ends the current quest and begins the next : Retaking the Fringe .