Underhaven is a city that thrives within the remnants of a forgotten ancient dungeon. On the surface, a series of crumbling buildings rise amid tangled vines and wild flora, but the true heart of the city lies in the sprawling subterranean tunnels, where a vibrant society bustles in the flickering glow of bioluminescent fungi. The mysterious depths of the dungeon remain largely unexplored, with whispers of hidden treasures and lurking dangers enticing adventurers to delve deeper.