While there is no perceptible change in the room, there is a faint vibration from somewhere deep in the pedestal which translates up through the razor edged crescent and may be felt when Adrasteia touches it.

Once the waxing moon pan is filled, a sudden shift occurs. Without further warning, the central most disk directly under their feet suddenly collapses a few inches downward. It locks firmly into place about the pedestal's base.

The second and third disks, still at their original elevations, now may be freely rotated.