There is different adventurers that come in, mages, sword masters, healers, and much more; all which are separated into classes. Some are, and usually lower level people, team up in pairs of 2-6. The labyrinth is like any other dungeon, having different levels and floors. Each floor, changing every 15 levels, usually have different but stronger enemies and mobs than the last, but to pass each floor you must defeat a boss. The boss is trapped in their room via a barrier that no one could break.