From the introduction: Welcome, jumper, to the wondrous world of Pangera, and the Dungeon that lies beneath it. While the surface is full and teeming with life, the world below is just as full, brimming with creatures adapted to the levels of mana, which just get higher the lower one goes. Life on Pangera is a constant struggle between the so-called “civilized” surface dwellers, the monsters of the dungeon, and even civilized colonies that exist below the surface. Every individual being must fight for XP and biomass in order to advance and become stronger.