Ancient Stone Dungeon
Four chambers of different sizes hang off a long central corridor cut through dark grey stone. One room has lost its ceiling and is half filled with rubble. Another holds a shallow pool lit faintly blue from underneath. Iron doors and archways connect them, and wall sconces carry the only light.
4778 by 3584 pixels, free to use in your games including commercial ones. No account needed to download. Generating your own opens the prompt below in the editor, and new accounts get 3 free maps with no credit card.
Running this map
The corridor is the spine, which means the party will want to clear the rooms one at a time and something will eventually come up behind them. The collapsed ceiling is a climbable sightline into the room beyond, and the pool is the obvious place to hide the reason this dungeon is still occupied.
The prompt that made it
This is the exact text the generator was given. Change a detail or two and you get a map that fits your table instead of ours, which is the whole reason the prompt is here rather than hidden.
A multi-room underground dungeon carved from dark grey stone. A long central corridor connects four chambers of varying sizes. One room has a collapsed ceiling with rubble on the floor. Another has a shallow pool of water glowing faintly blue. Iron doors and archways connect the rooms. Scattered bones and broken furniture. Torches in wall sconces provide dim orange light. Top-down, grid-aligned, dungeon map style.
Using it in a virtual tabletop
Suggested grid: 24 by 18 squares, 5 feet each
The map is drawn without grid lines on purpose, so you can set your own and have it line up. In Roll20 and Foundry VTT, upload the image, then set the grid to these dimensions and nudge the alignment until the squares sit on the terrain.
The file is a standard image, so it imports into Roll20, Foundry VTT, Owlbear Rodeo and Fantasy Grounds the same way any other map does. It also prints, if your table plays in person. For more maps of this kind, see the dungeon map generator.
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