Voldemort marches to Hogwarts School of Witchcraft and Wizardry
After Narcissa Malfoy lies about the survival of Harry Potter. Voldemort violates Harry Potter thinking he was dead by casting the Cruciatus curse and tossing him the air.
Voldemort and the Death Eaters forces Hagrid to carry Harry Potter as they marched to Hogwarts school to receive surrender of the defending wizards and witches.
Voldemort announces that Harry Potter is dead and the legend of the Boy Who Lived has finished in a tragedy. Voldemort lies that Harry Potter was a coward trying to spare himself and ordered the remaining defenders to yield to him.
Voldemort promises that he shall spare all those who surrenders without any accusations of their rebellion against him. Voldemort has let down the defensive magic that he casted onto Nagini the last horcrux of him
Neville Longbottom stands out from the crowd
The faculty members of Hogwarts school, students and the remaining members of the Order of the Pheonix were in great despair. Harry Potter could hear Ginny Weasley crying in sorrow and horror but he still had to remain still for the right moment.
While Ron and other started yelling at Voldemort, Voldemort once again lies and insults Harry Potter claiming that he was caught trying to run by himself but got caught and killed.
Voldemort once again insists the remaining crowd at Hogwarts to surrender. Out from the crowd that still couldn’t believe and accept Harry Potter’s death, came Neville Longbottom.
Voldemort puts the Soring Hat on Neville Longbottom and sets it on fire (in the novel)
The Death Eaters and Voldemort laughs at Neville Longbottom. Bellatrix Lestrange recognizes Neville Longbottom as he was the son of the aurors Frank Longbottom and Alice Longbottom who were a pain for the Death Eaters and Voldemort.
Voldemort offered a seat as a Death Eater to Neville Longbottom but he immediately declines and shows he shall resist to the end. Voldemort now started to become upset and he saw the Sorting Hat.
Voldemort then declares that in Hogwarts School of Witchcraft and Wizardry, only the ideas and legacy of Salazar Slytherin shall be taught and inherited.
Voldemort said that as Ravenclaw, Hufflepuff and Gryffindor House shall now be eliminated and the Sorting Hat is now useless.
Voldemort paralyzes Neville Longbottom’s body and puts the Sorting Hat while he set the Sorting Hat on fire. Grawp suddenly starts to fling himself as he saw Hagrid captured. Centaurs also started to attack the Death Eaters while Neville was screaming.
Harry Potter is alive and Neville Longbottom obtains the Sword of Gryffindor
In the novel, Neville Longbottom after released from the body paralysis curse, feels something weird that fell from the Sorting Hat and realizes that he has the Sword of Gryffindor. Neville Longbottom then immediately beheads the snake Nagini’s head. Harry Potter secretly escapes with the Invisibility Cloak.
In the movie, Narcissa Malfoy and Lucius Malfoy flee as Voldemort greeted Draco Malfoy. Neville Longbottom wasn’t mocked with the Sorting Hat.
Neville Longbottom declares that he shall fight to the end while making a speech that Harry Potter wasn’t the only person sacrificed during the battle of Hogwarts. He encouraged others that they should fight until the end just like the others that were sacrificed during the battle.
Harry Potter then attempts a surprise attack on Nagini that failed. Voldemort was surprised that Harry Potter yet again survived again and wasn’t dead. Some Death Eaters started to flee as they were terrified of Harry Potter’s survival again.
In both occasions, Voldemort was terrified and started to panic and commence attack on the defenders of Hogwarts.
Second Battle of Hogwarts School begins
Thestrals and Buckbeak the hippogriff also joins the battle attacking the giants while the centaurs make their charge against the Death Eaters.
Then, Kreacher who was wearing the fake Slytherin’s Locket, an heirloom of Regulus Black cries ‘For master Regulus and Harry Potter’ and leads the house elves to charge against the Death Eaters.
The Second Battle of Hogwarts started to take place at the courtyard and in the Great Hall inside of Hogwarts.
Voldemort and the Death Eater started relentless attacks against the allied forces defending Hogwarts. In the movie, the the Malfoy family would flee while some other Death Eaters would run away as well.
Death of Bellatrix Lestrange and takedown of the Death Eaters
Voldemort himself takes the lead along with the Death Eaters into the Great Hall of Hogwarts. However, most of the Death Eaters were overwhelmed by the defenders of Hogwarts.
Professor Fillius Flitwick took down Antonin Dolohov while Corban Yaxley was also overwhelmed by George Weasley and Lee Jordan. Ron Weasley and Neville Longbottom were able tackle Fenrir Greyback while Aberforth Dumbledore took down Augustus Rookwood.
Arthur Weasley and Percy Weasley took down Pius Thicknesses (Pius Thickness was murdered by Voldemort in the movie.
Hagrid would slam Waldn Macnair who was the executioner almost killed Buckbeak on to the wall. Bellatrix Lestrange attempted to murder Ginny Weasley but Molly Weasley interfered and Bellatrix Lestrange started to mock her on the death of Fred Weasley.
Molly Weasly’s brothers the Prewett brothers Fabian Prewett and Gideon Prewett were murdered by Death Eaters and even her son Fred Weasley.
Molly Weasley fumed at Bellatrix Lestrange and murdered her with a curse (in the movie by the reducto spell).
Voldemort who was dueling with professor McGonagall, Kingsley Shacklebolt and Professor Horace Slughorn blasted them off in the fury of losing his forces.
Now Harry Potter faces his arch enemy Voldemort, Tom Marvolo Riddle heading to the end.
Neville Longbottom slays Nagini – In the movie only
Hermione Granger and Ron Weasley were after the snake Nagini, the last horcrux of Voldemort. However, Hermione Granger and Ron Weasley all failed to penetrate the protection magic casted onto Nagini.
Now Nagini was on the hunt onto them and while Ron and Hermione were cornered by Nagini and she tries to finish them off, Neville Longbottom with the Sword of Gryffindor he drew before beheads Nagini.
Harry Potter confronts Voldemort
Harry Potter confronts Voldemort and assures that Voldemort won’t be killing another person again as Harry Potter was going to finish him off. Harry Potter addresses Voldemort the ordinary muggle name Tom Marvolo Riddle, Tom which Voldemort has hated for his whole life.
Harry Potter also mocks Voldemort that Tom never knew to learn from his mistakes. Voldemort strikes back that Love could never stopped him from murdering Dumbledore, James Potter, Lily Potter, Sirius Black and all those that Harry Potter lost.
Harry Potter tells Voldemort that Albus Dumbledore was a much greater wizard and that Severus Snape has never defected to him that he shall always be a loner.
Voldemort snaps back that he doesn’t need anyone else and claimed he is the greatest and most powerful wizard to have ever survived.
Harry Potter lectured Voldemort that Severus Snape could summon a patronus just as the same as Lily Potter’s doe patronus and the Elder Wand belonged to Draco Malfoy not Severus Snape. Voldemort says that he shall deal with them later which Harry Potter states it is already too late
Harry Potter destroys Voldemort
All the horcruxes, Tom Riddle’s Diarry, Gaunt’s Ring, Slytherin’s Locket, Cup of Hufflepuff, Ravenclaw’s diadem, Harry Potter, and Nagini were destroyed and Voldemort was now mortal.
At the final duel of Harry Potter and Voldemort, Harry Potter casts the disarming spell Expelliarmus while Voldemort casted the Killing curse Avada Kedavra once again against Harry Potter.
While there was a tug of war and flames bursting out from the spells clashing each other, the Elder Wand refused to cast a spell against its true master Harry Potter. Slowly, the Killing Curse started to shrink with green and red flares bursting.
The Elder Wand started to twitch away from Voldemort’s hands and the spells started to rebound to Voldemort. Voldemort was struck by his own curse that rebounded onto him and slowly disintegrated.
Harry Potter returns the Elder Wand to Dumbledore’s White Tomb
After the Chosen one Harry Potter destroyed Voldemort, he restored and fixed his original wand 11 inches long, made from holly wood and a phoenix feather core(feather from Fawkes) with the Elder Wand.
Harry Potter then returns the Elder Wand to Albus Dumbledore’s White Tomb hoping no one else would dare try to use its might for bad. In the movie, Harry Potter breaks the Elder Wand and tosses it away.