Deeper ended with Will and Chester head over heels in Freefall-tumbling through the subterranean Pore with the evil Rebecca twins in hot pursuit, toting phials of the toxic Dominion virus. When, where, will they ever land?!

Just when the drop seems infinite, the boys hit bottom, and find themselves in a realm of near-zero gravity atop a giant spongy fungus stuffed with screeching carnivorous creatures. But when it comes to nasty, no weird beast can match the superbadness of the Styx!