 The first floor contains living rooms, dining rooms, and the general library.The second floor holds living quarters for Strange, Wong, and any guests they may have.The third floor of the building is specifically the Sanctum Sanctorum, for that is where Strange has his meditation room and occult library, where he keeps the "Book of the Vishanti", and his repository of ancient artifacts and objects of magical power, such as the Orb of Agamotto.