Strolen, thanks for digging this one out. Long ago, when I was still a young man a I would visit this site to get ideas for my campaigns. I hadn't yet joined, I didn't leave or read comments, I would only grab ideas. This may have been the first thing I read on the site. Indeed my four 5s dungeon is a direct expansion of this idea; an old dwarven mine filled with complex puzzles. This vote is shaded by some personal affections and inflated by nostalgia. I have been looking for this for years, NOW if only I could find the order of twilight again...it is somewhere on the interenet.