Umbridge admits she was the one who sent the dementors to Little Whinging last summer. Before she can use an illegal Cruciatus Curse on Harry, Hermione screams and tells Umbridge that Harry was trying to contact Dumbledore.
What does Umbridge want to use on Harry in book 5?
It is possible that the Ministry was unaware of it and would not condone the usage, as when Umbridge prepared to use the Cruciatus Curse on Harry she said, "What Cornelius doesn't know won't hurt him", giving rise to speculation that Umbridge might be doing more than a few unlawful things behind her employer's back, ...
When she was willing to use an Unforgivable Curse on a student. For Umbridge to even consider using the Cruciatus Curse on Harry was, well, unforgivable.
After dinner, Harry reports to Umbridge's office, and Umbridge assigns him the task of writing “I must not tell lies” over and over again on a piece of parchment. She gives him a special quill to use, and the words appear on the parchment in blood. The phrase also appears on the back of Harry's hand, cut into his skin.
How will professors react if you use Avada Kedavra in front of them - Hogwarts Legacy
Did Umbridge abuse Harry?
She showed a particular hatred for Harry Potter, as she had no qualms about violently punishing Harry during detentions (though it is possible Fudge told her to be harsh on him).
Harry describes Umbridge to Sirius Black, saying that she's vile enough to be a Death Eater, despite not being one. Umbridge is also depicted to be a prejudiced person, despising half-breeds and Muggle-born witches and wizards to the point of firing Hagrid due to his half-giant birth status.
This attack in Little Whinging occurred on 2 August 1995 after the Ministry of Magic insisted that the return of the Dark Lord never occurred, during the summer of 1995. Wanting to discredit Harry Potter, Madam Undersecretary Dolores Umbridge ordered two Azkaban Dementors to Little Whinging in order to silence him.
Dolores Umbridge attempted to use Veritaserum on Harry the following year, but to no effect. In actuality, Snape had given her a counterfeit potion to protect the Order of the Phoenix, and Harry only pretended to drink it, instead dumping it in one of her plants while she was occupied.
Apparently, Umbridge's mother was a Muggle and her brother was a Squib – a source of huge embarrassment for the family. Perhaps their abandonment and retreat back into the Muggle world had such a huge impact on Umbridge that it became the catalyst for her Muggleborn-targeted cruelty later on in life.
Unforgivable Curses are the three most powerful and sinister spells known to the wizarding world, and are tools of the Dark Arts. They were first classified as "Unforgivable" in 1717. They are the Killing Curse, Avada Kedavra, the Cruciatus Curse, Crucio, and the Imperius Curse, Imperio.
However, Harry felt no pain because the wand Voldemort used, the Elder Wand, refused to harm its true master, though Harry's body was still tossed around by the force of the spell.
Bellatrix was an unapologetic monster who utterly relished in the pain and torment she caused, Umbridge was a monster but a monster in a pink coat, she could hide her evil behind a fake smile and supposed civility.
Although Umbridge was not a Death Eater, and had no direct contact with Lord Voldemort, she showed that she was fairly in line with their goals. This was due to Umbridge's callous nature and her prejudiced beliefs, both of which were similar to Death Eater behavior.
A Ministry of Magic bureaucrat who was able to indulge in her sadistic tendencies when she was posted to Hogwarts as Defence Against the Dark Arts professor, Dolores Umbridge was famous for her sickly pink wardrobe and her particularly violent taste for corporal punishments.
Speaking of joy-thieves, she might have preferred to cloak herself in pink and fill her office with fluffy kittens, but Dolores Jane Umbridge was every bit as dark as the villainous figures she liked to surround herself with. Indeed, she was the one who sent Dementors to attack Harry in Little Whinging.
What is the most powerful truth serum in Harry Potter?
Veritaserum was the most powerful Truth Serum there was. It was a colourless, water-like fluid. Three drops was enough to force the drinker to reveal their deepest secrets. As such, the Ministry of Magic restricted its usage.
One of Voldemort's biggest downfall is his pride. He thought that noone can block his legimency and underestimated Snape's ability in Occlumency. He believed that noone can lie to him . Also,using Veritaserum would mean that Voldemort depends on an external source and Voldemort was too proud of that.
Well, in Umbridge's case, while she may have been working for the bad guys of bureaucracy, she was never under Voldemort's thumb. She was allied with the Death Eaters and definitely enabled them, she was never an official part of the organization.
Arabella Figg is a Squib, and as such her relationships with the rest of the Wizarding world are of a very uneven sort; most pity her because she is part of their world, yet unable to partake, being unable to do any sort of magic. She does, however, know Dumbledore, maintaining a line of contact there.
When Dementors attacked, they often caused victims to relive their worst memories. Even though Dudley was unable to acknowledge their presence, the creatures were able to manipulate his mind.
If you have only seen the films, you might be surprised to hear that it wasn't Cho Chang who betrayed Dumbledore's Army to Professor Umbridge – it was Marietta Edgecombe. A friend of Cho's and a fellow Ravenclaw, Marietta (reluctantly) joined the DA.
Peter Pettigrew (a.k.a. Wormtail) is one of two Death Eaters known to have been in a House other than Slytherin (Gryffindor) while at Hogwarts. There, he was a close friend of Sirius Black, James Potter, and Remus Lupin, although he was the least intelligent and least talented of the group.
Known uses. Antonin Dolohov used the curse twice during the Battle of the Department of Mysteries, first against Hermione Granger, who was knocked unconscious but survived.
