Although it was identical to its twin to the east, to Hermione, the corridor to the western wing oozed foreboding as she cautiously approached it.  Inhale for 1, 2, 3, 4, exhale for 1, 2, 3, 4,  she chanted to herself, keeping her breathing slow and steady even as her heart rate picked up. She took a few tentative first steps, and when nothing happened, she mentally shook herself and started forward properly. 