Venger's Decks - Dungeon Waters

Dungeon Waters - A network of narrow dungeon corridors around streams and pools of water. The corridors are cut in two by the streams, perhaps capable of being jumped across, and the pools are divided by a narrow walkway under which the waters connect via a short tunnel. Mist rises from the water, the place lit eerily by lampposts. In one of the pools a gaping shaft leads down into darkness. What perils will the party face here?...