The Obsidian Spike is the home to Lord Raavage and the Black Spire.
Sitting atop a rocky ledge in the swamp lands, the Spike only has one above ground entrance, though it is said miles of tunnels sit below the surface where worker Drow bring supplies, news and captives to Raavages home.
This build is actually fairly detailed, but all the black makes it very hard to photograph. I think I learned a few tricks along the way and finally got a few good pictures in the end! I updated the photo on the frontpage and in the challenge 1 thread to reflect the superior shots here.
And some fun details to check out of the build!
Anything else I missed might be viewable on this set in my flickr account.