"I brought a crystal phial with me just in case we got a chance to get a memory," Hermione said, her hand patting her robe pocket as Luna herded them down the empty corridor whilst humming to herself softly. With all other classes still in progress, they had fifteen minutes before everyone was released for lunch. Of course, the Gryffindors had already made their way to the Great Hall, although the food wouldn't be ready until every class was let out.