Hermione used a strand of Bellatrix's hair, which had fallen onto her jumper when she and the others were being held at Malfoy Manor, to disguise herself as Bellatrix with Polyjuice Potion.
After being on the run from a bunch of Snatchers, Harry, Ron and Hermione were taken to Malfoy Manor, where Bellatrix proceeded to torture Hermione using the Cruciatus Curse.
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.
Hermione being Tortured by Bellatrix in Harry Potter and the Deathly Hallows Part 1 (HD)
Why didn't Hermione just show Bellatrix's wand?
They know she's an impostor. They've been warned", so obviously the request for the wand was unexpected even to him. It's thus pretty safe to conclude that the real Bellatrix had reported her wand stolen and alerted Gringotts prior to the trio's attempted break in.
Voldemort hated affection and intimacy, so he would never sleep with Bellatrix. Bellatrix would have gotten pregnant c. 1997, since she had the baby right before the Battle of Hogwarts. This would mean she was 8 months pregnant at the Skirmish at Malfoy Manor.
The scene clearly shows how prejudiced The Death Eater is; she clearly sees Muggleborns as inferior. Considering Bellatrix's history, torture seemed to be her chosen method of interrogation and she certainly reveled in carrying it out.
MASS BREAKOUT FROM AZKABAN was a Daily Prophet article about the 1996 mass breakout from Azkaban, in which ten Death Eaters, including Bellatrix Lestrange, Antonin Dolohov, and Augustus Rookwood, were able to break out of their cells with the help of the Dementor guards, who had switched sides and were following Lord ...
Despite not using her personal wand, Bellatrix still proved herself to be equal in power to the three of them. During the duel, Bellatrix shot a Killing Curse at Ginny. Bellatrix's curse narrowly missed Ginny, sparing her death by mere inches.
Several years later, however, Hermione was forced to alter her parents' memories and give them new identities as Wendell and Monica Wilkins, to protect them from the Death Eaters. After the Second Wizarding War ended, Hermione found her and her husband in Australia and returned their memories.
In the film, she only hugs Harry, and just gives a hesitant handshake to Ron (Note: This was the result of Emma Watson being hesitant to hug both Daniel Radcliffe and Rupert Grint in public view, with her hugging Radcliffe during filming having to be frozen for a few seconds to get the desired effect due to Watson ...
Throughout the films, if you notice, Hermione wears pink repeatedly. Something similar was done for Harry and Ron, they wore blue (Harry) and red (Ron) as a subtle way of distinguishing characters. This is why it makes sense for Hermione to wear pink.
She was enraged when Harry spoke Voldemort's real name and mentioned his status as a half-blood. This enraged her so much that she actually tried to stun him before Lucius deflected her spell with a Shield Charm, not wanting to inadvertently harm the prophecy they were sent to retrieve.
Honestly, Hermione knew Dobby was a lost case... nothing could have revived Dobby after the attack or she would have definitely helped Harry with Dobby considering she was the girl who started S.P.E.W(Society for the Elfish welfare) and fought for elf rights. There was nothing to be done at that point.
At the Quidditch World Cup, Draco is quick to sneer at the Trio, and warn them to keep Hermione out of sight - as a Muggle-born, she could well be a target for the wizards rioting and tormenting the Muggle camp-owner.
In the play "Harry Potter and the Cursed Child," which has become part of "Harry Potter" canon, it was revealed that Bellatrix conceived a child with none other than Lord Voldemort.
Who is Delphini raised by? After the deaths of her parents, Voldemort and Bellatrix Lestrange, Delphini is raised by Euphemia Rowle, who was not fond of her and allegedly only took her because she was offered a substantial amount of gold.
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.
Mason Riddle is the Son of Tom Marvalo Riddle, otherwise known as Lord Voldemort, and the only American student at Hogwarts School of Witchcraft and Wizardry.
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. We know that he did not date anyone, even when at Hogwarts.
