"Maybe."  Wendy explained, as she rose back out of the pit.  "That archway over there has three colored stones built into it.  One's blue, one's orange, and one's yellow.  If we can manipulate them in the right order, we might be able to figure out how to use the archway to reach 'The Second Great Hall' mentioned in the riddle.  Otherwise, we can just bust down that doorway I found before."