Prayerbook of the Golden Order fundamentalists. A dense and complex academic treatise that contains the Order's fundamental principles. Can be given to a learned cleric to gain access to the following incantations: Radagon's Rings of Light Law of Regression

Located in a chair hanging from the ceiling directly above the Erdtree SanctuaryGrace site in Leyndell, Royal CapitalDungeon. From the Erdtree SanctuaryGrace site in Leyndell, Royal CapitalDungeon, exit the east side of the room. Once outside, climb up the root to the left that circles back into the building's 2nd floor. Once inside, exit the only door and immediately turn left to jump down to a nearby roof. Once on the roof, a broken window can be used to get back inside. After entering the broken window, climb the root crossing the room to reach the Golden Order Principia, which is located in the chair hanging from the ceiling.