Nagini wasn't born evil; she was a Maledictus, a woman with a blood curse that destined her to become a snake, losing her humanity over time, and her transformation was solidified by Voldemort making her a Horcrux, binding her soul to his, which further corrupted her and made her a monstrous, loyal servant, though she began with a desire for connection, seeking a cure or acceptance from Voldemort. Her story is tragic, showing how ancient curses and dark magic can strip someone of their identity and free will, making her a victim as much as a villain.
Voldemort found Nagini in Albania after his initial defeat, likely while he was a weak spirit possessing snakes; she was a unique, powerful snake, possibly a Maledictus (a witch with a blood curse turning her into a beast), making her an ideal companion, and he eventually made her his final Horcrux by murdering Bertha Jorkins with her present. Their connection deepened as he used her venom to sustain himself and later made her a container for his soul, ensuring their bond was profound and twisted.
By 1994, Nagini had permanently transformed into snake form due to her Maledictus curse and came into the possession of Lord Voldemort, who, using the death of Bertha Jorkins, made her into a Horcrux that same year.
It was also unknown if Nagini was the first Maledictus in her family or inherited the curse from her mother but if the latter was correct, then that would mean that the curse may take even up to at least over twenty years before the victim permanently turned into a beast.
By 1994, Nagini was seemingly trapped in snake form and belonged to Lord Voldemort, with whom she had a special bond largely due to becoming a Horcrux after her master had killed Bertha Jorkins that same year.
The snake was used because aside from slitting his throat, he only knew how to kill with torture based magic. As for the killing curse, if he thought Snape owned the wand it wouldn't have cast an effective curse at all. So he did what he thought was best and left before anybody would see.
He trusted snape because snape had proven himself many times before. Voldemort took anyone that was magical and had his own ideas in common during his first crusade.
In Fantastic Beasts: The Crimes of Grindelwald, it's revealed that Nagini was a Maledictus — a witch cursed with a blood condition that slowly turns her into a beast permanently. Played by Claudia Kim, she could initially transform between human and snake, but the curse would eventually trap her in snake form forever.
Most likely Voldemort's closest companion, Nagini was a Maledictus who had once been a human woman but due to this blood curse was now permanently a snake – losing all sense of humanity.
Nagini probably joined Voldemort early on and was probably one of his earliest followers and eventually found where he was hiding out in Albania.
He wasn't "chosen" to be the heir of Slytherin. He is in fact blood related to Slytherin through his mother's family the Gaunts. His mother had tricked a muggle, Tom Riddle Sr., into falling for her. Tom jr, like his uncle and grandfather, despise the fact that his mother did that and dirtied his blood.
Credence and Nagini fell in love. Credence knew Nagini was a maledictus, Nagini knew he was an Obscurus, yeah, technically a pair of star-crossed lovers. Eventually Nagini turned into a snake despite defying her fate, she bit Credence, bam he died. Or he dissolved in Obscurus state.
While Credence is a Dumbledore, he isn't the brother of Albus, Aberforth and Ariana. In fact, he's Aberforth's secret son! Aberforth met Credence's mother the same summer that Albus and Grindelwald met.
Another revelation that came from Rowling's play was that Bellatrix and Voldemort had definitely slept together, because they had a daughter delphine Riddle Character that appears in the book “Harry Potter and The Cursed Legacy” since JK gave authorization (original title in English, Harry Potter and the Cursed Child) ...
I agree that Credence/Aurelius's death will likely be involved in the reason she turns to Voldemort's side, but the reason she was absent in SoD is just cause the actor wasn't available. And I don't think she will “choose” to remain a snake because CoG said she will eventually become one permanently no matter what.
Nagini has venom, which was mixed with Unicorn blood and drank regularly by baby-Voldemort to keep him alive in that body.
There's no single "saddest" death, as fans cite different characters, but Dobby, Sirius Black, Fred Weasley, Remus Lupin, and Snape are consistently named among the most heartbreaking due to their profound loyalty, tragic lives, or sudden, impactful losses, with Dobby's selfless sacrifice often topping lists for his pure heart and newfound freedom, and Fred's death devastating his twin George and family, notes Quora and Facebook users https://www.facebook.com/groups/309399756202202/posts/2389613828180774, and Reddit.
Page 394 in Harry Potter and the Prisoner of Azkaban refers to Professor Snape telling the class to turn to that page in their Defense Against the Dark Arts (DADA) textbook, which is about werewolves, a deliberate hint that the substitute teacher, Professor Lupin, is one himself, a secret Snape was trying to expose. While the specific text varies slightly by edition, it introduces the topic of werewolves as nocturnal beasts, contrasting with the Red Caps and Hinky-Punks they were learning about, to reveal Lupin's true nature.
When Harry and Hermione are on the first floor of Bathilda's house, Nagini (inside the corpse of Bathilda) tells Harry to "Come!" from the next room in Parseltongue. In reaction, Hermione jumps and clutches Harry's arm, and the two of them obey the command.
In the books, you can see him getting weaker because Harry has more power to look into his mind after every Horcrux is destroyed and Voldemort can't feel Harry doing it. Clair Bascom He was weak because the avada kadavra curse backfired.
He was talking about Voldemort thinking the prophecy meant Harry. Snape didn't know that when he repeated the prophecy to Voldemort that it would put Lily in danger. So he went to Dumbledore to ask him to protect Lily. It was Snape who told Voldemort about a baby boy who would grow up and be a threat to him.
In Harry Potter and the Goblet of Fire, Voldemort was going to appear feeding on Nagini's milk in order to survive, but the idea was discarded because it was considered terrifying and excessively disturbing for a children's film.
Albus was named in memory of Albus Dumbledore and Severus Snape, two former headmasters of Hogwarts School of Witchcraft and Wizardry and both great wizards that his father knew. In 2017, Albus began his education at Hogwarts with Rose Granger-Weasley and Scorpius Malfoy and was sorted into Slytherin House.
Severus Snape's last words differ between the book and movie: in the book, they are a gurgling "Look at me" as he dies, wanting to see Lily Potter's eyes one last time. In the movie, he manages to say, "You have your mother's eyes," a poignant line revealing his enduring love for Harry's mother, Lily, just before dying.
For someone like Voldemort who relies on secrecy, an omnipresent character like Dumbledore who be terrifying, particularly adding in his power and popularity. Another reason for Voldemort's fear could be also due to the fact that Dumbledore was already famed for defeating a dark wizard Grindelwald.