UNITED STATES - NOVEMBER 01:  Film "Harry Potter and the philosopher's stone" In United States In November, 2001-Harry Potter
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J.K. Rowling is finally letting Harry Potter fans indulge into one of the series' most beloved aspects: You can finally find out your Patronus. It's about time!

The magical author has unleashed an official Patronus quiz that is live on Pottermore—a.k.a. the go-to place for fans of Harry and his magical world. But be forewarned: You can only take the quiz once (per account) and it is timed so make sure you're in the right headspace to truly get the right representative creature.

J.K. took it herself and gave her co-sign on Twitter:

But Rowling did get to take the quiz a few times...which we guess is fair given she made this whole world and everything.

Listen a classic Back of the Class podcast episode where the guys discuss Harry Potter and the Cursed Child, the stage play sequel being published as a book, at the 1:35 mark: