Raindrops the size of bullets thundered on the castle windows for days on end; the lake rose, the flower beds turned into muddy streams, and Hagrid's pumpkins swelled to the size of garden sheds. Marcus Flint's enthusiasm for regular training sessions, however, was not dampened, which was why Hermione was to be found, late one stormy Saturday afternoon a few days before Halloween, returning to Slytherin Dungeon, accompanying a team that was drenched with mud and chilled to the bone. Hermione was looking up charms that would stop the rain from affecting them.