The 7th floor of the dungeon was abruptly destroyed, so this instead of the 7th floor this book takes place on the 8th, known as The Ghosts of Earth. Each team's leader must pick a location to start, and despite being well prepared for the Bahamas, Carl and Donut wind up in Cuba because Donut isn't exactly great at geography. Because no crawlers were eliminated on the aborted 7th floor, the AI has made the floor extra deadly in an attempt to dwindle down the number of crawlers before the 9th floor Faction Wars. This level requires the crawlers to collect monsters ala Pokemon in order to build out the decks they will use to combat other crawlers and NPCs in a real time version of Magic the Gathering. Of course, every part of this is done in a ridiculous over the top manner that culminates in an insane multiplayer card battle with everything at stake.