The door to the secret staircase was little more than a scuffed panel in the wall at the end of the row of cells. Even ignoring the dim light of the prison, one wouldn't know it existed just by glancing at it. She didn't believe that she was in any danger of another Ministry official coming down to Level Eleven while she was in there, but to be safe, she very carefully and very slowly pushed open the hidden door. When no one appeared in her line of vision and no one made a noise, she felt confident to slip out and close the panel behind her.