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Bellatrix taking a knife and carving Hermione's arm is incredibly unnecessary for a magical being who could have done the exact same thing with her wand if she'd wanted to, which she didn't, because Hermione wasn't supposed to survive.
Books do not describe Bellatrix writing anything on Hermione . Bellatrix tortured her as she hated mugglebornes , Hermione was friend of Harry Potter and she was terrified that trio was in her vault.
In the books Bellatrix never carves the word mudblood on her arm though. She uses crucio instead. Bellatrix carving stuff with her teeth would've have made the scene in the movie quite weird. In the books, she used a knife.
We all remember that dark torture scene in Harry Potter And The Deathly Hallows: Part 1 in which Bellatrix (Helena Bonham Carter) scours 'Mudblood' on Hermione's (Emma Watson) skin.
The author explicitly states that both women were fighting to kill, despite Molly refraining from casting the Unforgivable curse Avada Kedavra. The result of the duel actually comes about as a result of nothing more than spectacular accuracy on Weasley's part.
Why doesn t Harry use Avada Kedavra on Bellatrix? Harry didn't use that spell because he cannot bring himself to kill anyone. He is not a killer.
Harry Potter and the Deathly Hallows
In this book, Rowling reveals that Bellatrix is the guardian of Helga Hufflepuff's cup (though she is unaware that it is a Horcrux), which Voldemort has entrusted the Lestranges to keep in their Gringotts vault.
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.
Because to a pureblood fanatic like Bellatrix, Harry is a Mudblood because one of his parents (Lily Evans) was a Muggleborn. Anyone with Muggle ancestry is one, including Snape since his father was a Muggle (Tobias).
Malfoy called her 'Mudblood', a very grave insult referring to a wizard or witch born to non-magic parents. Here are some of his most searing stabs at Muggle-born wizards... 1. 'I really don't think they should let the other sort in, do you?
I've read somewhere that the costume designers tried a blue dress, but it didn't suit Emma as well, and the pink looked best on her, so they went with pink. Which would make sense for why she wears pink in the films, like Daniel and Rupert being well suited for blue and red, respectively.
In the book, it's primarily because: Hermione didn't disapparate with Harry and Dobby from Malfoy manner. So it's possible she wasn't close by them. Ron apparated with her based on the description of the scene and not knowing Dobby's injury, he probably took her right back to Shell Cottage without thinking.
In Harry Potter and the Deathly Hallows: Part 1, Bellatrix used her knife to carve the word "mudblood" into Hermione Granger's arm. The film version of the knife bears a resemblance to cross-shaped spearheads that leave a hard-to-heal wound. The Noble Collection sells a replica of this knife.
In the book? None of them. Bellatrix has a knife, which she used to cut Hermione lose from the other prisoners, but she's not cutting Hermione with it.
Another aspect of the charm not shown in the movie is whether Hermione reverses it. In the Harry Potter book series, it's clear that Hermione finds her parents and undoes the magic. Additionally, author J.K. Rowling stated in a webchat that, “Yes, she brought them home straight away.”
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…'
Bellatrix used a powerful "love potion" on Voldemort and they have sex while he is temporarily obsessed with her. She then uses obliviate on him while he sleeps (you know, he falls asleep after his post-sex cigarette) and tells everyone that the baby is her and her husband's.
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.
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.
Draco had several reasons for lying to Bellatrix, including the fact that he was never a bad person. Moreover, he no longer found working for the Dark Lord appealing and hated how Voldemort treated his family. He did not intend to harm anyone and believed Harry was the only person capable of defeating Voldemort.
Nagini was Lord Voldemort's final Horcrux
Nagini was not only the last Horcrux to be killed, but also the last Horcrux to be created. In an interview, J.K. Rowling revealed that it was the murder of Bertha Jorkins that made Nagini a Horcrux.
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.
The three Unforgivable Curses in Harry Potter are Crucio, Imperio, and Avada Kedavra, and all three are available to Hogwarts Legacy players.