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Introduction[]

Gellert Grindelwald was a Dark wizard, who was defeated by Albus Dumbledore.

From the Story[]

Harry Potter and the Deathly Hallows[]

Discovered in chapter 8, The Wedding[]

Viktor Krum tells Harry that the triangular symbol worn by Xenophilius Lovegood is Grindelwald's sign. According to Krum, Grindelwald killed many people, including Krum's grandfather. He was never powerful in Britain, as he feared Dumbledore. Grindelwald carved his symbol into a wall at Durmstrang when he was a pupil there.