Hermione laughed but led them along. It seemed that stepping out of the way of a Lady, who knew where she was going, was hard-wired into any wizard's brain. They had entered the atrium, about to depart, when Harry swayed on his feet. Immediately, Severus reached for him. "I don't feel so good." The young man mumbled, trying to blink away the soft blue fog that gathered at the edge of his vision.