Harry survives the curse (destroying the Horcrux within him instead) and returns to the castle for one last duel. With the help of Neville Longbottom, who destroys the final Horcrux (the snake Nagini), Voldemort is rendered mortal. Harry disarms Voldemort, whose own killing curse rebounds, ending his reign of terror forever. Nineteen Years Later
The story begins with the wizarding world in ruins. Voldemort has taken control of the Ministry of Magic and Hogwarts, turning the magical world into a police state. Harry, Ron, and Hermione abandon their final year at school to complete Dumbledore’s mission: finding and destroying the remaining —objects containing pieces of Voldemort's soul. The Deathly Hallows subtitle Harry.Potter.and.the.Deathly.Hallows.P...
The prompt appears to be a fragment of a file name, specifically for the subtitles of or Part 2 . Since this is likely a request for the story of that specific film, The Final Quest Harry survives the curse (destroying the Horcrux within