Narcissa had never seen her wife look like a Dementor had kissed her, and she found herself chasing after Hermione silently through the castle as Delores kept handing out notices to the students who were of age. The Gryffindor had a head start and Narcissa hadn't remembered to enact the weight lightening charm before so her body was paying for her exertions now as she tried to catch up with Hermione.