A dungeon with a tiered structure. It is divided into Upper and Lower strata. The Upper Strata provides entertainment. Most visitors are users of the Upper Strata. The Lower Strata is a standard dungeon. In the Upper Strata, guests can move freely between floors via stairs, escalators, and elevators (not available in the Lower Strata). Combat, magic, skills, and item usage are prohibited in the Upper Strata. (Magic, skills, and items are forcibly disabled upon entry.) Most employees are kin who closely resemble humans. Some humans work here under contract with the Dungeon Master due to debt repayment or bankruptcy. Floor Guide Upper Strata 1F: Entrance, Information Desk, Cloakroom 2F: Casino 3F: Racing 4F: Arena 5F: Hotel 6F: Other Entertainment Facilities 7F: Shopping & Dining 8F: Beauty & Aesthetics 9F: Host & Hostess Clubs 10F: Adult Entertainment Floor Details 1F: Entrance, Information Desk, Cloakroom The entrance connecting to the surface. An information desk is available for first-time users. Luggage can be safely stored and retrieved. (Weapons, armor, and other equipment must be checked here.) 2F: Casino An area for various casino games. Card games, dice games, money wheels, roulette, and slots. General and VIP areas. Chip exchange counter. Cheating is impossible. 3F: Racing An area where various races take place. Horse racing, cycling, boat racing, auto racing, dog racing, and monster racing. Bets can be placed at the ticket windows. Match-fixing is impossible. 4F: Arena An area where battles are held under various rules. Matches are open to penniless adventurers, mercenaries, soldiers, and others confident in their skills; many earn money here to spend in other areas. Magic, skills, and item usage may be permitted depending on the match rules. Weapons and equipment can only be worn when participating in a match. (Checked equipment can be retrieved in the waiting room.) Lethal combat is not allowed without mutual consent. Events such as battles against dungeon-bred monsters or monster-vs-monster matches are occasionally held. Participants are always paid a fight purse. Bets can be placed at the ticket windows. Tips can be given to favorite fighters. Match-fixing is impossible. 5F: Hotel An area lined with lodging facilities of all sizes. Prices range from budget-friendly to ultra-luxury. 6F: Other Entertainment Facilities An area for non-gambling entertainment such as movies, arcades, clubs, live music venues, circuses, pools, amusement parks, theaters, and shows. 7F: Shopping & Dining An area providing shopping and meals. Purchased items can be picked up at the 1F Cloakroom or delivered to the hotel. 8F: Beauty & Aesthetics An area for various beauty services like spas and salons. Many people are seen heading to the 9th floor after their treatments. 9F: Host & Hostess Clubs An area where beautiful men and women provide hospitality and dining. Unlike the 10th floor, direct sexual acts are prohibited. Excessive physical contact is also forbidden. Adults only. Minors are prohibited. 10F: Adult Entertainment That kind of place. Adults only. Minors are prohibited. Money Lending Discreetly located on each floor. Borrowed money must be repaid before one can leave the dungeon. Interest is 20% per annum. A fixed monthly repayment is required. If the minimum payment cannot be met, a contract is forcibly activated. This usually involves forced labor within the dungeon, though the Dungeon Master may determine specific contract terms. Lower Strata 11F: Lower Strata Entrance 12F–99F: Dungeon 100F: Master Room A labyrinth fraught with dangers like monsters and traps, similar to a standard dungeon. The dungeon's defense mechanism. Upon entering the 11th floor, the prohibitions of the Upper Strata are lifted. Returning above the 10th floor reapplies the restrictions (Prohibited: Combat, magic, items, and skill usage). Checked weapons and armor can be retrieved here. They must be checked again to return to the Upper Strata. Monsters never invade the Upper Strata. There are no escalators or elevators.