He used Expelliarmus, and Voldemort used the killing curse, Avada Kedavra and, he wasn't lucky, the curse rebounded on him, so Harry won.
Battle of Hogwarts Battle between Harry and Voldemort (the final battle)
The battle of Hogwarts and Harry and Voldemort's duel towards the end of book 7.
Grawmp helps in the battle of hogwarts in book 7 by fighting other giants who are in leage with lord voldemort
He wasn't killed by Voldemort, but it is Voldemort's war, after all. He was killed in the Battle of Hogwarts by an explosion caused by Death Eater Augustus Rookwood.
During The Battle of Hogwarts, Harry went to: inside the Room of Requirement, through the halls of Hogwarts, in the Shrieking Shack and in the Forbidden Forest.
When Voldemort used the Elder Wand (of which Harry is actually the true master) to cast the spell "Avada Kedavra" and Harry cast "Expelliarmus", Voldemort's curse rebounded killing Voldemort. And the Battle Of Hogwarts was won...
In the movie they fought in a courtyard, in the book it was actually in the Great Hall
One all of the horcruxes were gone, Harry Potter has the chance to kill Voldemort so he did and it ended the battle of Hogwarts.
Professor Burbage - killed by Voldemort Hedwig - killed by killing curse from Death Eater Moody - killed by Voldemort Fred Weasley - killed by Rookwood at Battle of Hogwarts Dobby - killed by knife thrown by Bellatrix Lestrange Colin Creevey - killed at Battle of Hogwarts Ted Tonks - killed by Snatchers whilst on the run from the Ministry Lupin and Tonks - killed at Battle of Hogwarts Harry Potter - killed by Voldemort (temporarily) Voldemort - killed by rebounded curse aimed at Harry Crabbe - killed by his own fire curse Snape - killed by Nagini on Voldemort's orders Gregorovitch - killed by Voldemort Bathilda Bagshot - killed by Nagini Nagini - killed by Neville Longbottom Bellatrix Lestrange - killed by Molly Weasley at Battle of Hogwarts Wormtail - strangled by silver hand that Voldemort gave him Grindelwald - killed by Voldemort
- Lucius got Harry Potter and his fellows in Malfoy Manor and summoned Voldemort, but the trio and all the other prisoners escaped. It can be assumed that the Malfoys were punished by Voldemort. - During the Battle of Hogwarts, Lucius has lost his son and have no clue of where he could be. Him and his wife both abandon Voldemort and search for their son. - Lucius and his family survives the Battle of Hogwarts.
Towards the end, it centers on Hogwarts for The Battle of Hogwarts.
book 7 chapter 31 the battle of hogwarts on page 625