Defeat the Swamp Creature and grab the moonstone! On board his swamp boat, Frank Rock is on the lookout for the Swamp Creature's moonstone. If the Vampyre gets his undead hands on it first, he could use it to eclipse the sun and plunge the world into eternal darkness. Can he make it past his slimy adversary and snatch the stone? You decide. Includes 2 minifigures: Frank Rock and Swamp Creature.