Clearly, we were all very tired after a long day in the Clockworks. Though, some did think we were zombies. Maybe we can get someone to post the full length zombie story behind this phenomenon..?
http://tinypic.com/view.php?pic=2s1unx1&s=7
I'm not too sure how far the line goes to the right; I can only assume. The left goes as far as the last visible knight's name.