She was remorseless and was cackling in glee after she had murdered Sirius.
Bellatrix hates Sirius because he ran away from home and is a "blood traitor", since he doesn't hate non-pure-bloods. Both Andromeda and Sirius were burned off the Black family tree tapestry at their ancestral home at 12 Grimmauld Place. Bellatrix ends up killing her niece Nymphadora Tonks and cousin Sirius Black.
Sirius takes on his cousin Bellatrix, taunting her that she can fight better. Albus Dumbledore arrives and stops most of the fighting, but Bellatrix and Sirius continue. She casts a powerful curse, blasting him in the chest and sending him through the veiled arch.
Avada Kedavra (the Killing Curse) was not vividly identified as the spell that hit Sirius Black. According to the circumstances mentioned in the book, Bellatrix Lestrange most likely used a stunning spell against Sirius.
Sirius Black couldn't have countered Bellatrix's killing curse becaue the killing curse isn't something that can traditionally be countered with the disarming charm.
When the Dark Lord used Avada Kedavra for the final time in the Harry Potter series, the spell deflected due to Harry's ownership of the Elder wand, killing Voldemort with his own signature spell. Following Voldemort's demise, the Unforgivable Curses were strictly deemed illegal by the Ministry of Magic.
Cruciatus Curse ('Crucio')
Harry tried to use this spell himself. The first time was against Bellatrix after she had killed Sirius. His attempt was unsuccessful because, as Bellatrix mockingly explained: 'You need to really want to cause pain – to enjoy it – righteous anger won't hurt me for long…'
The darkest of the Dark Arts, Harry Potter unforgivable curses are the Cruciatus Curse, the Imperius Curse, and the Killing Curse. Although the curses are highly illegal, Harry using Unforgivable Curses happened, but he uses them once he was thrust into the Second Wizarding War.
5 Bellatrix Lestrange: The Cruciatus Curse.
When Bellatrix died, Voldemort seemed genuinely upset: Bellatrix's gloating smile froze, her eyes seemed to bulge: for the tiniest space of time she knew what had happened, and then she toppled, and the watching crowd roared, and Voldemort screamed.
Bellatrix's evil nature arises from her blind devotion to Tom Riddle and she is cruel. She enjoys torturing people and is quite frankly, insane. However, she is not as evil as Voldemort as he has transcended beyond limits of evil and dark magic by making not one but 7 Horcruxes.
Voldemort's attempts to trick Harry into killing Bellatrix would have done far more harm than good to his sinister cause, as Harry killing Bellatrix might have resulted in dire consequences for him, but he'd remain one of Voldemort's greatest threats and the Dark Wizard would be missing his most trusted lieutenant.
If Bellatrix managed to muster affection for anyone other than Voldemort, it was her younger sister (even at the height of the Second Wizarding War, Bellatrix and Narcissa called each other Cissy and Bella, no doubt childhood nicknames they'd given each other).
She married Rodolphus Lestrange after leaving Hogwarts "because it was expected of her" to marry a pure-blood. However, Rowling stated in an interview that Bellatrix truly loved Voldemort.
Unlike many Death Eaters, when Bellatrix was imprisoned in Azkaban, she did not lie about her loyalty, instead proudly declaring herself to be a follower of Voldemort. Even Voldemort himself had a considerable amount of respect for Bellatrix.
Since there is no morality system in Hogwarts Legacy, you will not be punished for using Avada Kedavra. However, your companions will react whenever you use an unforgivable curse.
None of the good guys dare use the Killing Curse throughout the events of the movies and books, no matter how high the stakes and how difficult things are. But Ron Weasley is the exception, giving it a go in the Deathly Hallows: Part 2 movie when himself and Hermione look destined to die via Nagini.
Against Amycus Carrow after he spat on Minerva MgGonagall's face. He wasn't arrested because by law of the Ministry the Unforgivable Curses were legal at the time. McGonagall used the Imperius Curse too and had no problem with the law.
Avada Kedavra, also known as the Killing Curse, kills a person instantaneously and without injury. There is few counter for it, and only one person, Harry Potter, has ever survived it with Sacrificial Protection that has been endowed upon Harry Potter by His Mother Love for Him.
In Deathly Hallows, Hermione faced a real test of her physical and psychological stamina. After being on the run from a bunch of Snatchers, the gang were taken to Malfoy Manor, where Bellatrix proceeded to torture Hermione using the Cruciatus Curse.
As much as Bellatrix loves Lord Voldemort, she equally hates Harry Potter, considering him the greatest threat to Voldemort and his plans. She will do anything to assist the Dark Lord's desire to defeat Harry.
' as Voldemort screamed, 'Avada Kedavra! ' he was giving all those around him the message he gave Lupin: this was about ending bloodshed, not creating it. Voldemort's signature spell was Avada Kedavra.
The three Unforgivable Curses in Harry Potter are Crucio, Imperio, and Avada Kedavra, and all three are available to Hogwarts Legacy players.