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J.K. Rowling is a Thunderbird in Ilvermorny

Spoiler: She’s a Thunderbird

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The hours-long wait is over: J.K. Rowling has revealed which Ilvermorny house she has been sorted into and she is a Thunderbird.

The famed Harry Potter author revealed the North American wizarding school’s houses in a new Pottermore essay Tuesday, introducing readers to Thunderbird, Horned Serpent, Pukwudgie, and Wampus, all based on the favorite animals of Isolt Sayre’s family.

And when Twitter user asked if Rowling would reveal her Ilvermorny House for $10, Rowling tweeted back, “Donate it to your favourite charity. I’m a Thunderbird.”

According to Pottermore, a Thunderbird is “a creature ‘that can create storms as it flies.” The thunderbirds are soulful and “favor adventures.” Check out our full breakdown of all the new Ilvermorny Houses here.

Based organizationally on Hogwarts, Ilvermorny is located on Mount Greylock in Massachusetts and was founded in the early 17th century, according to Rowling’s new story.