Remember the 4 levers with the combo? there was a 5th lever on the west wall => and the door these 4 levers unlocked didn't deactivate the trap behind it. This was the case for the 5th lever => therefore the manuscript was stained with either marmelade or... blood <img src="/ubbthreads/images/graemlins/badsmile2.gif" alt="" />
Kiya