He swam into the underwater cave, the water cold, and the cavern dark, before pulling himself up onto the sandy beach. Dampness hangs in   the air of   this cave,   condensing into heavy moisture on the slick, stone walls. The calm, dark waters wind around  to the east up north, along a stony, soot-scarred beach. A five-foot-high ledge sporting several stalagmites rises to the east, beyond which a low-ceilinged cave beckons.<br/><br/>The air has a foul smell to it, and his eyes will begin to water, as a defensive mechanism.