Bromjunaar Sanctuary in Labyrinthian
Room of Masks in the present day
Room of Masks in the past
Bromjunaar Sanctuary is a location which can only be accessed by using the Wooden Mask found by the mask altar inside the barrow located inside the walls of Labyrinthian.
It appears to exist in a different moment in time than present-day Skyrim.
Players should place the Dragon Priest Masks found on the Dragon Priests in various tombs, in the "past" Room of Masks. Finding all eight masks makes it possible, to uncover a ninth mask named Konahrik.