I got u , i had the same idea the first time i saw the thumbnail and saw neco's thinking *^*
Specially that it looked like the tower that i read what neco wrote and thought that it might be in the demon world instead of the tower that's in the humen's
Read more: http://blackhaze.freeforums.net/thread/317/chapter-191?page=1#ixzz4TUywVB9y