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Thief's Curse

From Harry Potter Wiki

Thief's Curse
Type:

Curse

Effect:

Punishes those who keep an item for too long without paying for it

The Thief's Curse is a spell that can be applied to books. Its effect is not fully understood, but it activates if someone tries to read a book for too long without paying for it. This curse is known to be impiled on Quidditch Through the Ages and Fantastic Beasts and Where to Find Them

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