cross-section of landmass from the sky to the ground below. a underground dungeon map for an adventure titled "The Cave Crab Adventure", d&d characters fighting a giant crab in a dungeon underground, fantasy, isometric battle map, diagram of a dungeon under a mountain, csu, cross-section, from the side, underground national geographic, best quality, masterpiece, award winning photo, fantasy landscape, extremely detailed, HDR, csu, underground, cross-section, from side, dungeon_party, Vintage board game box