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Edited 5/3/19

I'm expecting the chapters to get a little longer when the story gets going more, these first few are ridiculously hard for how short they are.

I don't have a beta right now, so I'm sorry for any grammar errors.

I guess you can say this is a Harry Potter/Originals/Vampire Diaries crossover. But the story will still be firmly in the Originals at some point even if it starts in VD.

2.

"So let me get this straight." Cali leaned forward looking intently at Hermione who had just finished speaking. "One of your friends, a teacher at the high school in the town you moved to, has been turned into a vampire. Not just a vampire, but an Original vampire, and because of some magic ring which repeatedly brought him back to life, has developed a split personality with a hatred for vampires. Mostly thanks to the 'Original Witch.'" She scoffed, rolling her eyes. "How arrogant, to take up such a title." She shook her head. "The same witch that used soul magic to curse her own son for a thousand years. And now the new Original is set on the genocide of the entire vampire race. And since the magic that crated and sustains vampires belongs to the original... er… Originals all he has to do is kill them and every vampire in the world will die soon after."

"Essentially, yes." Hermione shifted uncomfortably in the front seat, still turned around to look Cali in the eye while Damon drove, adding sarcastic comments every now and again.

"Right." The emerald eyed girl sat back. "And what is it you want me to do? I don't know how to kill an Original. Maybe a Killing curse would work, but you know I'd never use that spell, even if I could." She set her jaw stubbornly.

"I would never ask that of you." Cinnamon eyes softened in sincerity and understanding. "The thing is Ester, the witch." Hermione clarified when she saw the blank look on Cali's face. "Linked Rick's life force to Elena's through her blood and status as the Petrova doppelganger, and I can't unlink them without potentially killing Elena, which would be entirely counterproductive."

"I'm still not sure what it is you want me to do here Mione." She ran her hand through her long blood red locks. She really, really, didn't miss this whole 'find a way to save the world and thousands of lives,' bullshit.

"Don't be like that. I've heard you do six impossible things everyday before breakfast." Damon's voice was starting to grate on her nerves.

"We're all mad here." She muttered as Hermione glared over at the vampire.

"I can't unlink them without possibly killing Elena." Her friend repeated slowly. "So I want to undo the doppelganger curse altogether. That, in theory anyway, should destroy the link by taking away that which it's rooted to." Green eyes widened in surprise.

"You want to undo a curse, a line of doppelgangers, that goes back at least a thousand years?" Disbelief colored her voice, but it was Hermione's turn to set her jaw stubbornly.

Cali knew that look, it was the same one her friend wore when she told her and Ron she wanted to brew polyjuice in second year. There would be no reasoning with her. Not with that look on her face.

"How exactly would you go about that?" Because that seemed to be the million dollar question here. Hermione sighed and Damon muttered something to low for her to hear.

"Tatia Petrova was the first doppelganger, the curse was a result of her death and her blood being used in the curse Ester put on Klaus a thousand years ago to suppress his wolf side. I need to see what exactly Ester did. And hopefully I can reverse engineer the process. The problem is, even if I was proficient in the mind arts, which you know I'm not, entering the mind of a thousand year old being would probably destroy the invader on contact. The weight of a thousand years baring down on you in one instant.." Her friend trailed off, her face going slightly pale. "And vampire memories cannot be copied and viewed in a pensieve. We've tried." The last part was seeped in frustration.

"Hermione?" The raven haired girl questioned when the other didn't continue.

"I found a spell." The bushy haired girl visibly gathered her wits about her. "A spell to view a historical event. Unfortunately the further back the event, the more magic the spell needs to fuel it. Klaus was cursed a thousand years ago, the spell would require a nearly impossible amount of magic. Far more than I will ever possess, it would kill me."

Guilt, the emotion was written all across Hermione's face.

"So we called in the big guns." Damon looked her over in the mirror, eyes obviously taking in her small frame.

"I'm a witch Salvatore, not a body builder, size doesn't matter." She huffed, before going over everything Hermione told her.

"That's what he said."

She was sure there was far more to the story than the brief summary she had been given, but that didn't really matter did it? Her friend hadn't called her here to deal with a mad Original vampire, not really, it was all about the spell. And she didn't need to be Hermione Granger to realize where this was going.

"You want me to do the spell myself." It wasn't a question.

"Ding ding ding, we have a winner!"

"Shut. Up. Damon." Hermione stared at the vampire with murder in her eyes, before looking back at Cali, guilt once again covering her face. "You're the strongest person I know, probably the strongest witch alive today. You have a nearly godly amount of magic." She fidgeted. "I.. I care about these people Cal, about Elena. This is the only way I can think of to kill Rick but save her."

There was a long moment of silence as Cali digested what it was her best friend was saying. She cared about this girl, this Elena, enough to possibly risk Cali's life to safeguard her. It hurt, more than she might have expected, and tasted something like betrayal. Had they grown so far apart over the last couple of years that her life could be seen as secondary to a girl Hermione hadn't even known for two years?

And yet how could she deny her?

After everything Hermione had done for her, after all the sacrifices her friend had made to help her, during their Hogwarts years and during the war. She owed Hermione, more than she could ever repay. And so she put a wooden smile on her face, ignoring the water gathering in her friends eyes and the guilt shadowing her features, and nodded.

"Of course Hermione."

xXx

They pulled up to a house that was pretty much the definition of 'all American family.' It was white, two stories, with blue shutters, and a white picket fence. All that was missing was the red door, and the golden retriever in the front yard. She wasn't sure if she envied or pittied the people who lived there.

Conversation had been silted for the remainder of the ride after Hermione explained the spell she wanted her to cast, awkward and uncomfortable. Not to mention being in a confined space with a predator for so long had her instincts almost demanding she draw her wand. But besides all that, silently the emerald eyed girl was also mourning the close friendship that seemed to be lost.

So Cali was more than ready to get out of the car, Hermione seemed to be of the same mind, and they both opened their doors at the same time. But before either could escape the uncomfortable vibe inside the car Damon shook his head. Signaling for them to stay put.

"There's no one here."

"How do you know?" Turning, she questioned him with furrowed brows and a frown on her lips.

"Can't hear anyone." He tapped his finger against the shell of his ear. Right, vampire hearing. "They must be at the boarding house, I'll call Elena. Shut the doors will you? These are dangerous times after all, in case you've forgotten there's a crazy Original out there hunting vampires, and you just so happen to be in the company of one. Not to mention you'd both make a great snack, especially you Princess." Blue eyes locked on her emerald orbs. "You smell like pure magic." He smirked and took a deep breath through his nose, looking at Cali with black veins appearing under his now red tinted eyes.

"Don't be a pig Damon." Hermione snapped with a scowl, while the redhead only wrinkled her nose in disgust.

But he ignored them both, instead taking a mobile phone from the pocket of his leather jacket and pressing it to his ear a moment later. Listening to the one sided conversation as Damon started the car again, Cali wished she was back in England. And wasn't that something, normally she'd be wishing to get away from the magical world and all her fans and stalkers. But she hated seeing Hermione interact with the vampire, and the small smile that twisted the edges of her lips when a female voice could be vaguely heard on the other end of the phone.

"They're at the boarding house." The blue eyed vampire confirmed when he hung up, letting the mobile drop into his lap. "And it looks like we're gonna be crashing the party." Hermione looked at him in confusion. "Everyone's there. Including our friendly neighborhood Original's."

Hermione looked as happy about that as Damon sounded.

"Shouldn't they be? It is them your mad friend wants to kill most."

"Well, yes. But we don't have the best relationship with the Original family." The vampire scoffed at Hermione's, apparent understatement.

Cali knew this. They may not be in constant contact any more, and the letters they exchanged may have gotten more generalized, but she wasn't completely oblivious to what her friend had been up to since arriving in Mystic Falls. So she knew Hermione and her new friends had basically been at war with the Original's.. more specifically with Klaus; the Hybrid.

"There's rivers of bad blood between us Princess." He looked back at her through the rear view mirror. "Fair warning, stay as far away from the Original's as you can manage. That family is poison." Cali bristled, vividly reminded of her first meeting with Malfoy on the Hogwarts Express.

"I think I can decide that for myself, thanks." He just shrugged in a 'don't say I didn't warn you,' way.

Driving through the small town of Mystic Falls, Cali had to admit it was very picturesque, adorable even, and everyone they passed seemed to be happy. Obviously they had no idea what dark secrets their town was hiding under the guise of perfection. The town was adorable, yes, but it was also a lie. Sometimes ignorance truly was bliss.

xXx

The next house they pulled in front of, and she hesitated to even call it that with how large the building was, was off the main road and pretty far back. It was surrounded by trees, and had a small lot off to the side with three cars parked beside where Damon stopped the car. The building was constructed out of sand colored stones, with large arched windows dotted here and there. It was also two stories, but again, much larger than the previous home they stopped at.

Actually, it looked more like an old time inn than a home, but she supposed as a boarding house belonging to vampires, that assessment wasn't to far off.

Getting out of the car, Cali shielded her eyes with her right hand as she continued to take in the house and the surrounding area. It was kind of beautiful, not an awful place to live by any stretch of the imagination.

"Let's go, I'll introduce you to everyone." Hermione slammed the passenger door closed with a clang.

"Hey! Watch it Witchy." Damon yelled back from the front porch, and again, Cali hadn't even seen him move from the drivers seat.

Vampire abilities were something she would probably have to get used to for the duration of her stay in the States.

"He cares more about his car than the people around him." Hermione rolled her cinnamon eyes at the Salvatore.

"My car is far more dependable than wishy washy people, prettier than most of them too." He smirked as they approached the small flight of stairs leading up to the front porch before disappearing inside.

"Don't worry, none of the others are quite as annoying as Damon." That was good, the vampire was really starting to get on her nerves. "If you can make it through an hour and a half car ride with him, meeting the others will be a breeze. Though I can't speak much on the Original's, Elijah at least is pleasant. Rebekah is.. well." Hermione bit her lip and looked away. "Rebekah is understandably upset with the lot of us. Kol is basically an unknown. And Klaus.. ah..."

"Right." Cali nodded, a step behind the older girl. "Rivers of bad blood." She repeated Damon's words.

"Yes." Her friend nodded sharply.

Once inside, the green eyed girl changed her assessment, the house didn't look like an old time inn, but a museum. She shut the large, heavy wooden door behind her, almost afraid to touch anything, in fear she'd break some priceless treasure. Paintings littered the walls, woven throw rugs on the floor, and expensive trinkets strategically placed here and there.

Hermione led her to a large sitting room full of people. If her instincts were telling her to draw her wand against Damon, it was nothing compared to the feeling she got upon entering that room. Every hair on her body stood on end with the feeling of ancient power that washed over her coming off various people seated in the room. This time her instincts screamed.

Her wand was in her hand before she had time to even think on it.

Looking around, her back straight and eyes sharp, she noticed two distinct groupings, almost as if battle lines had been drawn down the center of the floor. To one side was a mesh of different people with varying features and coloring's, the people on the other side varied to some degree as well, but had many features in common, the Originals.

It was quiet as they all inspected her, and she did the same.

It was a bit overwhelming, and more than a little intimidating she could admit, if only to herself. It was only her unease and tensed magic that had her reacting in time when someone came at her faster than her eyes could follow. An over powered blasting curse left her wand without conscious thought, clipping her attacker in the side, and sending them spinning through the air, slamming into a bookcase on the other side of the large room.

It was no longer quiet, the people around her talking and yelling over each other, laughs echoing off the walls. Her attacker, a man with short, tight blond curls, full blood red lips, deep dimples, and shimmering sea green eyes, smirked at her as he stood from the pile of wood and books. She stared back into his bright eyes, her own emeralds glowing with no longer suppressed power.

"Impressive love." He commented, in a accent that nearly matched her own, wiping a small amount of blood from the corner of his mouth and dusting off his clothes.

"Don't do that." Cali warned, body in a defensive position, ready for another attack.

There was a chuckle to the side, and her glowing eyes moved over to another man approaching her who physically looked around the same age as herself. This one with dark, messy brown hair, and dark brown eyes. He approached at a more human speed. Holding his hand out for hers, he waited patiently as her stance relaxed.

When she didn't place her hand in his he bowed, his smile not faltering at her lack of manners.

"Hello Darling, I'm Kol Mikaelson." He straightened again, smiling down at her. "It's entirely my pleasure to meet you."

"Cali Potter." Her voice was still tight but she pulled her eyes away from the man with eyes the color of the sea to take in his boyish face.

"Do give the girl some space Kol, won't you? Forgive my brothers Miss. Potter." Hermione huffed once again standing beside Cali, obviously not happy that she would be meeting the Originals first. "They can both be quite impulsive, in their own ways."

"Such a party pooper 'Lijah." The one named Kol rolled his eyes dramatically, before giving her a wink and going to throw himself in the armchair he had vacated before.

The man that walked closer, but not too close, looked like the eldest of the lot. He was dressed impeccably, wearing a suit that probably cost more than she had in her trust vault, a strict contrast to everyone else in the room. His hair was also dark brown, not a strand out of place, and his eyes were a coffee brown color.

"Elijah Mikaelson." He bowed his head in greeting, not reaching for her hand. "A great honor to meet you."

"The noble brother." She confirmed with a nod.

"Noble is a matter of opinion." Damon scoffed from the other side of the room, a drink in hand.

"Oh enough of this." The only girl among the Originals stood, a very put upon expression on her pretty face. When she was before Cali she looked her over with light blue eyes, flipping her long blond hair over her shoulder. "You don't look like much."

"Neither do you." Cali looked her over before she cocked a brow at the other girl, ignoring her she turned back to her attacker who's eyes hadn't once left her. "And that would make you Niklaus."

"Just Klaus, love." She wrinkled her nose.

"Like father Christmas?" She decided to taunt him, still annoyed at being attacked as some sort of test.

"Decidedly not." He scowled, full red lips pulling down at the corners, dimples disappearing.

Take a moment to review please!

Cali/Hermione- I thought I should address this before I'm accused of some type of bashing.

I am NOT Hermione bashing, mostly this drama between them is a misunderstanding/false assumption on Cali's part. This is written in third person past tense, but is from Cali's perspective so based off her own thoughts. While she isn't some highly damaged emo drama queen, she IS damaged from her childhood, Hogwarts years, and the war. So she sees Hermione happy and with this new life that doesn't really include her, and assumes she and their past together has been replaced by these new people she has no connection to. They are no longer school girls that share their every secret, no longer two thirds of the Golden Trio with the 'us against the world' thing going on, they both have their own lives now. She's jealous and insecure about it. Feeling replaced and unneeded.

Hermione feels guilty, not because she's offering Cali up as some kind of sacrifice to save Elena, but because she feels like she's guilty of the same thing the wizarding world is guilty of- using Cali for her magic to solve a problem she sees as something her friend shouldn't have to deal with. She feels bad for dragging her into more drama after Cali has been living a (mostly) peaceful life after the war with few to no life or death situations.

They are both (Cali more so than Hermione) feeling the strain of realizing they have grown apart.