What began as a way for a couple adult Harry Potter fans to enjoy their stockpile of Hogwarts merch has exploded into an adult-only phenomenon of Goblet-of-Fire proportions. Yes, there will be butterbeer — the producers of the event actually concocted their own recipe for these events. There are alcoholic and virgin varieties because some of us witches and wizards are sober. Don’t expect any guest speakers at this event, but there will be plenty of conversation surrounding microscopic plot holes between fellow fans. There will be a sorting ceremony, a costume contest, Harry Potter trivia, and more.