Grotto. While drawing this map, it occurred to me that "grotto" might be... not the ugliest word in the English language, but the ugliest word for a thing that's usually beautiful. Say it: grotto. Grotto. Ugh.
Yeah, so anyway, the Opaline *ahem* Grotto is a natural cavern with unmined opal deposits in the walls. There's also a small cave system behind one of the houses leading to the Bitterwash River in case your party happens to need a shortcut.
Since I'd originally drawn this as a rectangular chamber on the Brazenthrone overview map, I updated it with the new shape (see the second image above). The print and VTT versions of it are below. I know I updated this the other week and I apologize to anyone who just printed it and is staring at the screen like, "This f#@%* guy..." But this is probably the last time I update it. Unless it's not.
Next up is last month's Cartographic Congress winner: a city built around a volcano. After that, we're going back to Brazenthrone for Burke's Hall (23 on the overview). And then I'll be knocking out a map from the Great Vote. I'm thinking the Great Garden sounds good, but I reserve the right to change my mind to Greenskin Rock. Screw it, I'll put up a vote on the patreon. Decisions are hard.
There are DM notes for this map available to patrons.