With Luna's illusions they sent messages to all of the SM to get to the clubhouse. In 15 minutes, Michael Corner and Susan Bones responded, saying that Carrow had trapped them all in the Ravenclaw Common Room. Hermione hurried over there with Draco, Luna, and Pansy. They managed to sneak past Carrow, but found that once they were inside their disillusionment charms broke, so they had to hide in the shadows. The room looked deserted, but the students were there.