Title: Petunia Evans and the Foundation of the Wizarding World

Rating: T

Summary: No one knows how wizards and witches got their magic and most have given up trying to figure it out. This is the story of Petunia Evans suddenly falling into magic and how one moment unlocks the foundation of the Wizarding world.

Disclaimer: I don't own any of Rowling's characters and I'm making nothing from this.

Chapter 4: Family Matters

The whole visit to Hogwarts had rattled Eileen. Lily cared more about her studies then visiting her own sister. Someone needed to sort out their priorities. She arrived at Prince Manor, a sprawling estate that she had left when her parents had demanded that she marry a Nott. When she had married Tobias Snape, he had seemed so nice and they had been happy, but that had all changed when Severus had been born and showed signs of magic.

Now she had a husband that drunk and beat her and now she was in the middle of a mystery that she had no clue what the answer was. Her life had suddenly not become boring. After encountering an overly excited house elf she was led into the room where her parents were.

"I see the blood traitor has come back," Mr. Prince said.

"Father, I need a word with you," Eileen told him.

"I'm not-."

"There is a muggle that suddenly has magic," she cut in and he looked up at her.

"This has got to be some kind of joke."

"I'm afraid that it's not," Eileen told him. "I only came to you because your trying to do research on how our ancestors gained their powers. I'm certain that you haven't given up on that."

"Of course not," Mrs. Prince said. "What's this muggles name?"

"Petunia Evans," Eileen answered. "Her sister is a muggleborn witch."

"Her sister is a filthy Mudblood," Mr. Prince said. "See, this is what happens when we didn't kill your damn husband before you got pregnant with that half-blood brat of yours."

"ENOUGH!" Eileen screamed. "I CAME HERE FOR ANSWERS AND YOU INSULT MY SON. MY SON IS BEING BULLIED BY A BLACK, A POTTER, AND A PETTIGREW. SO SHUT YOUR DAMN MOUTH AND LISTEN."

She didn't intend to scream at her father, but he knew what buttons to push.

"Don't talk to me like-."

"Enough, both of you," Mrs. Prince cut in, "It's clear that Eileen came to us because you've been doing research for the last twenty years. As for our grandson-."

"I don't-."

"Black, Potter, and Pettigrew believe their better than a Prince," Eileen told him. "Oh two of them are on that list but that doesn't give them the right to bully my son. Unless you've revoked my right to gain money from my grievances."

"I only partially disowned you, not fully," Mr. Prince said.

"So what happened?" Mrs. Prince asked and Eileen told them the full story.

"I would like to meet this muggle," Mr. Prince said, "Not that I'm going to enjoy being in her presence, but it's for my work."

"And what's going on at Hogwarts?"

"Oh I'm going to take care of that," Mr. Prince said. "Nothing like taking half of a Potter's fortune to make my day a whole lot brighter."

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"They're not doing anything wrong," Minerva told Albus.

"Do you think that I liked Eileen Snape nee Prince in my office," he said. "She's going to invoke whatever right she still has as a Prince. Her father only partially disowned her, not fully. She still has that power and that will make Hogwarts a very hard place to live."

"Well if Evans would stay away from that nasty little boy then-."

"That's not your place," the painting of Rowena Ravenclaw said. "How dare you insult the reputation of Godric Gryffindor by acting like a bigot."

"And did I ask for your opinion."

"You had better start if you intend to take over when Dumbledore passes the torch."

"The point that I'm making is that not only are you encouraging those three to bully a student, who has a grandfather on the Wizengamot, but you are encouraging the sister of a patent in St. Mungo to not visit her sister."

"I did no such thing."

"Then why, in the month that Petunia has been a resident, have you not insisted that Lily visit her. No, you will have her go there and visit her. I'm not having problems in the future."

"I will not be told-."

The look that Albus gave her silenced her. "Fine."

Albus said nothing.

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Newt Scamander arrived at the spot that the attack happened. Waving his wand, he cast several Notice Me Not spells, and got to work. Even though a month had passed since the attack he should be able to detect something. He worked his way through the area, his wand picking up nothing. Either someone had done a very good job in cleaning up or the creature could rid the place that it attacked of any signs that it had been there.

"What exactly are you," he said to himself.

In the distance he noticed something strange, something that he was sure wasn't supposed to be there. He canceled the spells and headed there. The thing that he saw turned out to be a cave. As he approached it, he had a feeling that he was being watched. And, just as he reached it, he was blasted off his feet and landed on his back.

"What, in the world?"

"How dare you try and come here," the voice inside the cave demanded. "Come close and I will cut you down."

"Okay, that's different," Newt said. "My name is Newt Scamander."

"I know who you are, wizard. I know every witch or wizard that's ever been born. I was in difference places, in different times, but I know every one of you."

"Who are you?"

"I'm the source, the source of all magic. I've been here before the Earth is how it is, when the giant reptiles ruled the world. I come in many forms, I come with many names, and you will not enter this cave."

"Petunia Evans was bitten," Newt told the voice, "Did you do it?"

"Yes," the voice answered. "She's been chosen. She will appreciate the gift that has been given her while her sister shall not. Her sister is doomed for death and the chosen one, her sister, shall rise to greatness. But, be warned. The threat that has formed shall become the most feared person in a hundred years. Do not think this will not happen."

And then the cave and the voice just vanished, leaving nothing but trees.

"Well that was interesting."

Newt returned to the Ministry and gave the Department of Mysteries the memories of his encounter with what he called 'The Source' and allowed them to view it. Mary pulled out and sat down in one of the chairs.

"First an Obscurus and now an entity that calls itself the Source. Why can't I have an exciting life like you do?"

Newt had to laugh at that, but then he said, "Don't tell my wife. You know how she gets when she thinks I'm doing something dangerous."

"Don't worry, your secret is safe with us," Mary told him, with a grin.

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A/N: The thing has been found, and some answers, but why is this 'The Source' warn about the threat, which we all know to be Voldemort. The answer will be revealed near the end.

Note: Sorry for taking so long to update. My life has just been hetic.