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"But the moment he realized what Voldemort truly was when he saw how Kreacher, his family's house self, was treated, something in him broke. He was just a teenager, but he decided to stand against the most powerful dark wizard of all the time. And he did it alone. He figured out Voldemort's secret before Dumbledore did. He stole the locket, hot drugs, knowing it would cost him his life and left Kreacher with the impossible task of destroying it."