Very cool stuff, and this is actually something I could easily use for a oneshot, being relatively certain it's actually finishable in, well, one shot. Which is surprisingly rare!
Here's some minor feedback:
- In room 2, last paragraph, I didn't immediately clearly understand which portcullis the guys from 3 are supposed to shoot from. Had to inspect the map carefully to get it. Unfortunately I'm a dunce and unable to offer some immediate suggestion for improvement.
- In room 4, I think you've written "east" meaning west.
- Room 6, why is this ordered before 8, which you have to pass through to get to it? I'd have renamed 8 to 6 and 6 to 7, 7 to 8. Just makes it a tiny bit easier to grok.
- Room 8, description doesn't fully match map. Map shows there's two portcullises (west and north) and one door (east) out of the room. Description mentions a door to the north, probably means the portcullis to the north? But mentions a lock. Could mean the door to the (north)east, but that should be in working order to transport hostages into 6 maybe?
- Anyway, there's a ton of delicious details one can focus on here (possible hostages, Aberith climbing into the crawlway, the inexplicably crazy diamond), just lovely stuff!