Gellert Grindelwald, the greatest dark wizard in the world at the time, and Albus Dumbledore, the only white wizard who could rival him, had a son - Albus Grindelwald Jr. - Due to an accident. In the wizard duel in 1935, the 10-year-old Albus Grindelwald was involved in the turbulence of time and space caused by the tearing of magic power. When he opened his eyes, he found that he had arrived in the future decades later!
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