ACCIO PROPHECY! ' It's pretty clear in the book, and implied in the movie, that Bellatrix gets "mad" after Harry's second Crucio, but she doesn't start to "panic" or get "scared", till she finds out about the prophecy being broken, and Voldemort shows up.
Helena Bonham Carter said that her character was afraid of Harry because she couldn't understand how a young boy was capable of overpowering Lord Voldemort.
Bellatrix had a fear of rejection as well where Voldemort was concerned, wanting nothing more than to please him but was always frightened that she would lose his favor.
This is precisely one of the reasons why Bellatrix was so engaging. She seemed to have a sick obsession with Voldemort that went so far beyond romantic desire. She was also very clearly scared of him and his remarkable magical abilities.
No matter his rage and grief, Harry doesn't have what it takes to defeat Bellatrix. Bellatrix is Voldemort's most loyal and most powerful Death Eater of all, and she claimed many victims in Voldemort's name.
Lord Voldemort
Tom Marvolo Riddle started both Wizarding Wars, created the Death Eaters and killed Harry Potter's parents. We could go on – he was the most dangerous Dark wizard of all time – but we won't. His horrific achievements are well known.
She was strong enough to kill Tonks (an auror). McGonagall had no such lack of discipline and was incredibly powerful in her own right. Bella was the only death eater that was able to deflect one of the spells from Dumbledore.
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…'
Did Bellatrix feel sorry for killing Sirius? - Quora Answer (1 of 18): No, she's not. There are Death Eaters who feels sorry for what they've done. They are Death Eaters simply because the feel like it's their only choice. Peter Pettigrew is one of them.
His reaction to Bella's death was akin to his reaction at the loss of the Cup, which was when he realised that his own immortality was jeopardised amidst war and his own death could have been near.
5 Bellatrix Lestrange: The Cruciatus Curse.
Bellatrix had a fanatic obsession with the Dark Lord although she was clearly fearful of his magical abilities and absolute power over his forces. She's almost as sadistic and homicidal as Lord Voldemort, with a psychotic personality.
He did not love anyone, and did not care to be loved. He felt nothing for his family, and only wanted his friends in school to rally around him because he wanted to hold power over them. Bellatrix Lestrange was obviously in love with him and worshiped him, but he only cared for her servitude, not her.
Draco's refusal to reveal Harry's identity to Bellatrix was not because he liked him. It was because he believed that Harry was the only chance they had at defeating Voldemort. At first, Draco admired and revered Voldemort until he threatened his family's safety.
But the one thing she's afraid of, is the Dark Lord Voldemort himself. She is entirely in his control; a slave to him, and that's why she fears him. Voldemort and Bellatrix have a child in the Cursed Child, and here you can see their relationship relating to that of the Joker and Harley Quinn.
Harry would no longer have a pure soul. If he had killed Bella and then was possessed by Voldemort, V. would be successful at that. Regardless it would totally destroy the story.
If you've read Harry Potter and the Order of the Phoenix or seen the movie, you already know that it was Bellatrix Lestrange who defeated Sirius Black.
Of all of the Death Eaters that appear in Harry Potter, there's no doubt that Bellatrix is the most evil. In addition to the fact that she was selflessly devoted to Voldemort and his mission (in fact, she was obsessed with him), she also showed that there was no depth of cruelty or malice to which she would not sink.
The answer is that Sirius wanted to deflect attention from the real Secret-Keeper. He probably hoped Voldemort would go after him so he could steer attention away from Pettigrew.
And the third, the Killing Curse, is named by Hermione; Moody mentions that it can't be blocked, and only one person is known to have ever survived it: Harry Potter. Harry makes use of two of the Unforgivable Curses in the books.
Though Harry encountered many opportunities that deemed Avada Kedavra necessary, it remains as one of the Unforgivable Curses Harry Potter never cast.
History Of Avada Kedavra
The Killing Curse was created in the early Middle Ages by Dark witches and wizards. Primarily, the curse was used to quickly slay opponents during a duel.
Winner: Snape
Bellatrix would be in the top pile of witches and wizards of all-time based on powers, but her reliance on the same moves and lack of wit means she would be defeated by Snape after giving him an initially tricky time.
1 Bellatrix Lestrange Is A Natural At Magic
Bellatrix can cast the most potent dueling spells with ease, to the point she can duel multiple Order of the Phoenix members and treat it like a game. She terrorized the wizarding world nonstop until Molly Weasley finally dispatched her in the Battle of Hogwarts.
He also didn't want anyone so mentally unstable near his friends at Hogwarts. Bellatrix feared Dumbledore, after seeing his powers at the Ministry. Voldemort was setting Draco up for failure and expected Dumbledore might incapacitate/capture whoever he sent.