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Graxworm Map 19 – Dungeons

The Graxworm is a massive dead dragon of mythic scale, several miles long and large enough to contain a town in the mouth. Creatures have set up here to “mine” the massive corpse for its valuable materials – leather, scales, ichor, tendons, and more. Practically every bit has some value to someone, and in the long term the expectation is that nothing will remain, not even the massive bones. After exploring the secret city at the heart of the beast, we are deeper into the corpse in the intestines where the servitors quarters and dungeons are. Today’s map is of the dungeons proper, a secure holding space for intruders, spies, and “persons of interest”.

This is one of the more “traditional” dungeon maps for the Graxworm. The entry to the dungeons is on the north side of the map, and the northern structures are for staff, storage, and administration. The next chamber is the heart of the prisons – where interrogations are handled, prisoners processed, and so on. From here you can get to the various sections of cells.

The majority of the cells are smaller cells meant for a single prisoner, but when needed they can easily fit six to eight. There are a number of bulk holding areas such as the one immediately to the west of the main chamber (the circular chamber with the ramp leading down into it). Ramps from the upper cells lead down to lower sets of cells and a disposal pit. The lowest cells on the left side are generally the oubliettes – where prisoners are left to rot and eventually thrown down into the disposal pit. And while the entirety of the Graxworm smells like death and decay, this area is particularly noxious.

Honeycombing this area are the tunnels of the immature giant maggots who cut their own paths through the corpse. These small tunnels (a foot to two feet wide and tall) are too small for most prisoners to use and are generally ignored by the guards – making them a potential escape or entry vector for shapeshifting

characters or scouting familiars.

The Graxworm Megadungeon was proposed to me by Gallant Knight Games – a dungeon set within the corpse of a dragon some seven miles in length. If I were to map out the whole thing we’d be looking at a good 100+ maps, so instead we’ll be focusing on points of interest as a sort of “point crawl” megadungeon setting. We’ll be posting a few maps in the set every month for… well… quite some time!

The 1200 dpi versions of the map were drawn at a scale of 300 pixels per square and are 10,200 x 13,200 pixels in size (34 x 44 squares). To use this with a VTT you would need to resize the squares to either 70 pixels (for 5′ squares) or 140 pixels (for the recommended 10′ squares) – so resizing it to either 2,380 x 3,080 or 4,760 x 6,160 pixels, respectively.

**https://dysonlogos.blog/2025/04/23/graxworm-map-19-dungeons/**