Horror-themed  toxic swamp, mutated creatures, poisonous gases, stagnant waters, A dark green skein of vines and monstrous mushrooms the height of a man, stalactites and stalagmites, and at the bottom a carpet of damp mold that imprisoned the legs. The light was scarce, and the whole thing gave off a sweet and violent smell. The smell of mushrooms is hallucinogenic . Eerie, unsettling, dark, spooky, suspenseful, grim, highly detailed