You can find the story in the book and movie adaptations of Harry Potter and the Deathly Hallows .
In Harry Potter and the Deathly Hallows , Harry, Ron, and Hermione abandon their final year at Hogwarts to destroy Lord Voldemort's remaining Horcruxes, concluding their quest against dark magic. While fleeing from the Ministry, they uncover the legend of the three Deathly Hallows—the Elder Wand, the Resurrection Stone, and the Invisibility Cloak—which leads to a climactic battle at Hogwarts. Harry faces his fate as an accidental Horcrux, ultimately defeating Voldemort in a final showdown and ensuring peace for the magical world. You can find the story in the book