Location from Mother of Learning by nobody103
The vast underground labyrinth beneath Cyoria — a network of tunnels, ruins, and natural caverns that extends downward through increasingly dangerous levels to where a primordial entity lies imprisoned in the deep.
The Dungeon is not a single place — it's an entire underground world stacked beneath Cyoria like geological layers of danger. The upper levels are almost domesticated: Academy students do supervised expeditions, adventurers clear monster nests for bounties, and the Mage Guild maintains mapping teams. These levels are dangerous the way a construction site is dangerous — managed risk with known hazards. Below that, the rules change. The middle levels contain Aranea territories, shifter enclaves, and ruins from civilizations that predate human settlement. The deep levels are effectively unexplored — the magical pressure increases, the creatures are apex predators, and the geometry stops making sense in ways that suggest spatial distortion. At the very bottom, something vast and ancient is imprisoned. The disturbances propagating upward through the dungeon — the increased monster activity, the spatial anomalies, the growing unease among dungeon-dwelling species — are all symptoms of Panaxeth stirring in its prison.
The upper levels are partially mapped — worked stone corridors from the Ikosian era intersecting with natural cave systems. Mana-reactive minerals in the walls provide dim illumination in some sections. As the levels descend, the architecture shifts from human construction to older, stranger geometries. The air grows heavier. The creatures grow larger. The magic grows wilder. Deep enough down, the tunnels connect to the Underdark — a vast subterranean ecosystem that extends to the planet's core.
Also known as: The Dungeon, Cyorian Dungeon, The Underdark