The Darkling River works its way through the underdark beneath the grey hills to depths unknown. This is part of the thirteenth mapped location (and 16th map total) along the Darkling River and the Darkling Lake beyond.

There is a sealed door in the ghoulish village at The Drop which leads to a series of unpleasantly cold caverns before continuing deeper into the underdark. At the centre of the cold caverns is a massive chamber about 140 feet across that descends in a series of three tiers. At the bottom of this is a blue-tinted stone covered in frost that emits the aura of magical cold that keeps these caves chill. And the cold is definitely magical, because nothing could keep the caves at just above freezing over such a large area without the source of the…