As you rise to the surface, you feel something brush against your foot. You look down, and once again there's nothing to be seen... A little bit higher, and another brush against your back. Again, you turn to see nothing.<br/><br/>But when you go to turn back to the surface, you most definitely see it. A monstrous shark, bigger than any you've ever heard of, "stalking" towards you along the bottom of the "pool." When it sees you looking, its maw opens wide, and the creature charges, creating a backdraft in its wake...