Hey, hermit's here.
Here's some images that should make visualizing the siege in the most recent chapters a bit easier. As I was making these, I realized that I can't actually post the most useful one yet, since the relevant chapter hasn't been written yet, so I will update this post with a fourth, more useful, image once that becomes relevant.
Also, new chapter coming soon, hopefully tomorrow. As always, finishing off a story line/writing a finale to anything is an absolute nightmare, so it's taking a bit longer than I thought it would. Almost through the very difficult part though, which means that I'll be able to churn out chapters at a good rate pretty soon-ish.
Fingers crossed.
Edit: Added the new image, the one that's actually useful because it contains the location of the hidden tunnel.