Monday, April 27, 2026

Below Gwarnath – Level 1 Map Progress

The manuscript and maps for my next published adventure are complete, and I'm in the process of drawing the cover illustration. I don't quite know if I'll make my self-imposed, end-of-April deadline, but I'm happy with where I am. I'm confident I'll have it up on Drive-thru in the next two weeks.

In the meantime, I needed a creative palate cleanser, so I resumed work on my Below Gwarnath megadungeon map. I'm drawing this using the random dungeon generation tables in OSRIC, and I'm developing some custom stocking tables to incorporate specific monsters and magic items (and tech items from Gamma World and Metamorphosis Alpha), plus a ton of homebrew material from old, unused campaign ideas. I still haven't decided if I'm unleashing this on my tabletop group or my Roll20 guys.

As I said in my introductory post, I started this map to give me a little test-bed dungeon to show one of my 5e guys what AD&D/OSRIC is like. We have yet to play that session, but I enjoyed the dungeon generation process so much that I kept going. Before long, I had four interconnected maps, each on a 24x24 grid, with branches leading off-map in all directions. I placed those four maps at the center of a larger canvas of sixteen, 24x24 grid "zones" (the whole image is 24" x 24", or 7200 x 7200 px). The following maps are all lo-res, as I had to shrink them quite a bit to upload to the blog, but I'll post a link to the full-size map at the bottom.

I've posted this version previously but want to show the progression, so this is the map I had after the initial burst of generation. The original zone I drew for the playtest was F, followed by G, J, and K (I'd already strayed into zones A and B by this point, as well).

My intention for the next bit of mapping was to finish filling out zones A and B, then move methodically to C, D, E, etc. But the randomness of the dice carried me down into zones E and I, before bringing me back up to A. This is roughly 2 or 3 sessions of casual mapping from the tables (a few hours' work, tops) at the beginning of April..


I shelved the map for a bit while I worked on my new adventure, but we had some relief over the weekend from the drought in our area with a nice steady rain, so I spent the day indoors and got some more mapping done by finishing out zone B. I decided to make the outside borders of this map the outer limit of the dungeon area, so any results that carried me off the larger map were either ignored or diverted. I had to tweak a few results to get certain areas to fit what had already been drawn, but I remain amazed at how the tables just WORK to create these spaces. Quite ingenious.

 

The only zone I've actually stocked and keyed so far is the original one, zone F, that I did for the OSRIC playtest. It was also rolled out using purely the OSRIC tables, but it wasn't written with the full blown concept I've since designed for this future campaign in mind. It's more similar to the approach I took with the Hurricane Dungeon, which was to populate the level with little, independent vignettes connected only by the shared environment. There's no big theme running, here, just day-to-day survival for the dungeon inhabitants. I may revisit the key once I get my stocking tables where I want them, but this is my interpretation of the results as rolled from the OSRIC tables.

>> Download Level 1/Zone F key.

>>Download the full-size map (so far).

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Below Gwarnath – Level 1 Map Progress

The manuscript and maps for my next published adventure are complete, and I'm in the process of drawing the cover illustration. I don...