On the back corridors of the Library, you find an archway leading down by a footbridge. There, Ellenize guides you to a place where many memories are held. Crystal orbs, by the size of your head, float along the swirling waydown to a dark an wet bottom. "Along this way you can contemplate the past we held in our minds. Just stare the crystal orbs and they will amuse you with whatever these enchanted spheres hold..."