Whatever Ariadne expected of a History of Magic class, it wasn't that. The party decor made her very curious, so as she entered, after greeting Professor Cerulean, Ari asked her: 'Wow, Professor, are we having a party? Whose birthday is it?' This was exciting!

Scanning the room, Ariadne realized they were supposed to sit at house tables, just like in the Great Hall. Hmm...