I bought Dwimmermount from RPG now for $10 for the pdf version.
This is a massive, amazingly massive underground dungeon and associated wilderness area. By massive I mean 414 pages of massive. And not massive due to huge illustrations or empty pages. This has been an epic read so far. I hope to start playing RPGs again locally, and Dwimmermount sparked tons of ideas for my D&D world.
That sounds like a heck of a lot of fun, airboy. Hope you enjoy it!
<stares wistfully/mournfully into the distance>