until the heavily armored proelium bibliothecarii finally allows the party past the warded statues of the Librarians Who Remain Everwatching, down the dark spiraling stairs of the Last Redoubt (and the 2,000 tonnes of acid that can flood the stairs at a moments notice), through the barracks of the Blind Warriors (ritually blinded at birth and trained to fight solely using their sense of hearing), and into the Reference Section