Ring of the Gods
You launch out of the ring into a dungeon that is musty with trees and all sorts of vegetation that has grown in there. When you arrive there are other prisoners there, and they are all whistling.
A women that is known to the prisoners as Linaea greets the pc’s. She says to them that they have been sent through the ring and that they have been sentenced to life and there is no way out except for the ring. Through their searching they run into a man. Warrior like, he appears to have the respect of all the prisoners.