By the time Ling gets her balance back--for one scary moment Mai's weight pulled her painfully flat against the stone, mashing her breasts in an uncomfortable way--the shadowy figure has vanished again.  From here, though, Mai's well-honed skills easily sense the trail taken.  A tunnel, barely visible in the shadowy depths of the cave, is the only clear line of departure, and faint footfalls can be heard on the stone floor.<br/><br/>Following should be simple.