In the film, Bellatrix hit Sirius with the Killing Curse, Avada Kedavra, killing him before he passes through the Veil. In the book, the curse that hits Sirius is not identified (although it is rumoured to be Stupefy because of the red light), and him being knocked through the Veil is what causes his death.
The Order battles the Death Eaters in the "Death Chamber". During a frenzied duel with Bellatrix, Sirius taunts her for failing to harm him. Bellatrix strikes Sirius with a curse, sending him backwards into the veil and to his death.
In the book Sirius is killed by falling through the veiled archway in the Ministry's death chamber. We deduce from what the books tells that the curtain over the archway is all that separates the living from the dead, and crossing over it means you are dead.
In the book, the curse that hits Sirius is not identified, and his being knocked through the Veil is what causes his death. In the sixth book, it is stated that Dumbledore's funeral is the first Harry Potter ever attended.
This massacre in London occurred on 1 November 1981 when Peter Pettigrew killed twelve Muggles with an extremely powerful explosive curse (possibly the Blasting Curse), leading to the false conviction and imprisonment of Sirius Black. This event was one of the most infamous massacres in recent times.
The silver hand Lord Voldemort had given Pettigrew interpreted his hesitation as weakness and/or disloyalty, and strangled him to death, saving Harry and finally finding redemption for his treason, despite his reputation remained tarnished as many remained dubious of the evidence of his innate bravery.
Remus fought at the Battle of Hogwarts on 2 May 1998, during which his wife was murdered by Bellatrix Lestrange. Remus was also murdered by Death Eater Antonin Dolohov, during the first half of the same battle. His death was possibly avenged by Filius Flitwick.
Rowling stated in an interview that Lupin and Tonks died to compensate for the last-minute reprieve she gave to Arthur Weasley when he survived a would-have-been fatal attack in Harry Potter and the Order of the Phoenix. Rowling also stated that it was Antonin Dolohov who killed him.
Dobby claimed he was a "free elf" and Disapparated. As the house-elf Disapparated with Harry, Bellatrix threw a silver knife at them in a desperate attempt to prevent their escape, and the Apparition sucked up the knife with it.
The result of the duel actually comes about as a result of nothing more than spectacular accuracy on Weasley's part. She casts a powerful, unnamed curse at Lestrange and manages to hit her directly in the heart, killing her instantly.
Bellatrix then started taunting Mrs Weasley over her son's death, proceeding to laugh at Molly's enraged response that the Death Eater "will never touch our children again!". This provided an opening for Molly to strike Bellatrix with a curse that hit her straight in the heart, killing her.
Originally Answered: Did Bellatrix feel sorry for killing Sirius? Bellatrix isn't sad about killing Sirius. She taunts Harry about it. Far from showing remorse for killing Sirius, she next stalks her niece, Nymphadora Tonks.
It is explained that no funeral was ever held for Sirius Black because his body was never recovered. This presumably indicates that the body left the world of the living entirely when it fell through the veil.
Fred was killed in an explosion possibly caused by Augustus Rookwood. One of the last things Fred heard before dying was Percy joking about resigning from the Ministry. Percy wouldn't leave Fred's side until Harry and Ron helped him move the body to somewhere safer, coincidentally behind a suit of armor.
Hedwig's killer is not explicitly identified, so he/she may have appeared in other books, films or video games, but the only known appearance is Harry Potter and the Deathly Hallows and Harry Potter and the Deathly Hallows: Part 1. A popular fan theory based on book canon suggests that Snape may have killed Hedwig.
Fenrir Greyback killed Lavender Brown during the Battle of Hogwarts. Warner Bros. A fellow member of the Gryffindor House, Lavender Brown joined Dumbledore's Army to learn defensive magic in the fifth movie, and she was Ron's overbearing love interest in the sixth.
In the EXCELLENT James Potter book series, by G. Norman Lippert, Tonks had already given birth to a boy before being killed in the Battle of Hogwarts. (The James Potter in the Lippert series is Harry Potter's son).
Voldemort fired a Killing Curse when Mundungus Disapparated, and hit Moody in the face, killing him. Moody fell backwards off his broom, and about a thousand feet to the ground. Because half a dozen Death Eaters were on their own tail, Bill and Fleur could do nothing.
Harry, returning to the school, looks into the Great Hall and sees Lupin and Tonks lying among the dead. While this is not mentioned in the book, the author has mentioned in an interview since its publication that Tonks was killed by her aunt Bellatrix Lestrange.
After Voldemort's defeat by Harry at the Battle of Hogwarts and the restoration of the Ministry of Magic by the new Minister, Kingsley Shacklebolt, Umbridge was sentenced to life imprisonment in Azkaban for her crimes against Muggle-borns.
On turning eleven, Umbridge started attending Hogwarts School of Witchcraft and Wizardry. She was Sorted into Slytherin and her head of house was Horace Slughorn.
Werewolves might be dangerous to humans, but they don't attack other animals; so Lupin's friends found a way to stay together as a kind of pack. James's Animagus form was that of a stag, which earned him his nickname, Prongs.
