A/N

This is a new story I began a few months ago when I didn't have internet. I have the first 10 chapters ready to go and will post one every 1-2 weeks. The longer the next chapter (11 through to the epilogue) takes the longer it'll take me to post an already finished piece. Anyway, enjoy ! Reviews are always welcome. If there is something you want to see in the story let me know and I'll see if I can incorporate it if I haven't already.

Xx Cassiie

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Chapter One

Damon winced slightly as he looked around the dead witches house. He, Stefan, Elijah, the Bennett witch and baby Gilbert were there, waiting for the time to kill Klaus during the sacrifice.

"It didn't work Damon. He had a back up plan. What do we do now? Elena is going to become a vampire." Stefan groaned, sitting on the floor with his head in his hands, though not for the reason the others were probably thinking. Stefan had been having trouble keeping his thoughts from wandering to Klaus lately. Something about the man was drawing him in and he didn't know what to do.

He had Elena, he knew that. But he also knew that lately it seemed like Elena was turning into Katherine. She was acting more like her, coveting both him and Damon. Even though he didn't believe she had gotten to the point of cheating on him with his brother yet, he didn't rule it out as a possibility.

Then there was Klaus. The man oozed power and sexuality. Tousled blonde hair, bright blue eyes, and a gorgeous smile that ended in dimples. And his accent. Stefan groaned again just thinking about that accent. He had been with men before, found them just as attractive as women. But none of them caused the reactions in his body that Klaus did.

"There is nothing you can do now. It is too late. She will come back." Elijah stated calmly, oblivious to the younger Salvatore's lingering thoughts on his brother.

"Yeah, as a vampire, something she didn't want." Jeremy muttered.

"Not if I can help it." John Gilbert stated as he walked in.

"What are you going to do?" Damon asked sarcastically, "you're just human."

"I am, but she's not," he said, moving from the door as a girl got out of the car.

Damon quirked a brow, watching the curvy young woman. She looked familiar. Or at least her figure did. He couldn't see her face as it was covered by the hood of the tight sweatshirt she was wearing.

Damon let his eyes travel over her body as she made her way closer. Tight fitting hoodie covered what looked to be a red tank top that showed just enough skin to uncover the end of a tattoo on either side of her collarbone. The sleeves of the hoodie were rolled up to her elbows and the bottom ended just above her belly button showing off her flat stomach, a silver star ring adorned her belly button.

Letting his gaze travel down over her slender hips that were hugged tightly by what looked to be leather pants Damon couldn't help but smirk. He didn't need to see her face to know this girl was hot.

"I have a way to keep her human if that's what you really want Stefan." Her voice was soft and sounded almost exactly like Elena's.

Everyone's heads snapped up at the sound of her voice. Bonnie gasped, grabbing Jeremy's arm as they stared in shock at the newcomer. It was a voice they would know anywhere but hadn't heard in years.

"A-Ari?" Jer whispered, taking a step forward.

The young woman raised her hands and pushed back her hood.

Damon, Stefan and Elijah stared at her as Jeremy rushed forward and pulled her into his arms.

Her long brown hair was tied into a bun atop her head, straight bangs almost concealed her bright blue eyes from view. Eyes that were lined in black and were the only visual difference aside from her bangs that separated her from looking exactly like Elena.

"Who are you?" Stefan asked, brow furrowed.

"Ari, I'd like you to meet Stefan and Damon Salvatore and Elijah... I actually don't know his last name. You guys, I'd like you to meet Ariana Gilbert, my sister and Elena's twin." Jeremy said, smiling.

"Elena never mentioned a twin." Stefan frowned, wondering what other secrets his girlfriend was keeping from him.

"Because she hasn't seen nor heard from me since we were fifteen. You can get the back story later. Right now we need to save Elena's life." Ari said, looking at Bonnie, "there is a spell that will allow John to trade his life for Elena's. When she dies a few minutes later she'll come back. The spell is fairly simple so you should be able to do it."

"What if I can't?" Bonnie asked nervously.

"I know you're still pretty new to this, that's why I'm giving you the chance to learn. I have two years more experience than you do, so if you don't think you can do it then I will." Ariana told her softly.

"You're a witch?" Jeremy asked wide eyed.

"Part witch." Ari corrected, "I'll explain later. The spell is in your book Bon. Elijah, can I speak to you alone please?"

"Of course." Elijah agreed, following the young woman away from the house a bit.

Once they were far enough away, Ari threw up a sound barrier.

"Look, we don't have much time. I need to tell you that Klaus didn't put your siblings out to sea. They're all safe in coffins, though I don't know where."

"Why are you telling me this?" Elijah asked curiously.

"Because, even though you know, I need you to keep up the act, to the point where it looks like you're actually about to kill him." Ari cut him off before he could say anything' "I need you to trust me. I'm the last person who wants to see Klaus dead, and there's a reason for that. Which I'll tell you tonight once we get away with him. I only showed myself so that the Bennett witch would be able to save Elena. Please, it's the only way both our families will survive this whole."

"You are much more sincere than your sister or Katerina ever were." Elijah stated with a small smile, "I will do as you ask, if you answer one question for me."

"Sure."

"Your scent is different. Are you the one the witches spoke about? Part witch, part vampire, part wolf?" He asked hopefully. He had been waiting for this girl to be born to complete the prophecy spoken many years ago.

Ariana studied the man before her for a moment before giving in and nodding, "I am. And I plan to tell him as soon as this is all over with."

"Good. Then let's go make my brother a hybrid."

"Let's." Ariana agreed. She moved to take down the sound bubble but paused, "I know I could cure the bite on Damon's arm, but Klaus and I will need Stefan. He's our third and the only way I can think of getting him to come with us is if he has to seek the cure from us. I need him away from my harpy of a sister before she destroys him."

"Klaus knows Stefan is one of his mates." Elijah informed her softly, "they met in the twenties but Klaus had to compel him to forget. I'm sure he'll be happy with any plan to get the man I know he loves back into his life."

Ariana nodded and smiled up at Elijah before removing the barrier and making her way back inside. "It's almost time." She informed the others, frowning slightly when she noticed a missing Stefan, "what happened?"

"Klaus has Aunt Jenna," Jeremy told her, "he's using her as the vampire in the sacrifice. Stefan went to offer himself as a replacement."

Cursing, Ari turned to John, "in case I don't see you before you die, you were an ok father." She gave him a hug then headed for the quarry, Elijah and Bonnie following, "I'm only walking to the quarry with you, then I'll be gone."

"But you just got back," Bonnie protested.

"I only came to ensure my sisters safety. You can tell her I was here Bon, so she knows I'm alive. But there are things I need to do. I can't stay here right now. In a few months I may be back, but that's it."

Bonnie nodded sadly as they stopped and hugged her old friend goodbye. Elijah and Ariana stood there and watched as Bonnie began her spell.

"Go. I'll see you soon." Ari told Elijah. He nodded and ran towards his brother.

Ari watched at a distance as Damon ran off with Elena's body while Stefan stayed to watch as Elijah stuck his hand in Klaus' chest. She winced at that, fighting the urge to tear Elijah off his brother. Ari listened as Klaus confirmed to Elijah what she had already told him, beginning to circle around to where she suspected they would head when they escaped.

Elijah was only slightly surprised when Ariana showed up at Klaus' other side once they were out of range of the others.

"I thought you'd meet us after he was done." Elijah mused.

"No way in hell. You did good by the way. They believed you were going to kill him." Ari grinned.

"Who are you?" Klaus rasped, wincing in pain as his chest healed. The girls words suddenly occurred to him, "you weren't going to kill me?" He asked his brother.

"No Nik, I wasn't. And neither would Ariana have allowed it. We'll talk when you're back to yourself." He stated, laying his brother on the ground. He and Ari stepped back to watch Klaus transform. It was going to be a long night.

~x~

Elena woke with a gasp. She was laying on the floor of the old witches house. Looking around she spotted Stefan, Damon, Jeremy, Bonnie and for some reason her father, John.

"What happened? Is he dead? Am I in transition? What's going on?" She asked quickly.

"No, you're not in transition. There was a spell that allowed me to trade my life for yours. Bonnie cast it. You're fully human Elena. I just want you to know that everything I did, I did to keep you and your sister safe. Your sister was born into this world, you weren't. I just wanted you to have a normal childhood. To grow, get married and have kids. Now you still have that chance. You are my daughter and I love you Elena. Never forget that." With a kiss to her forehead John got up and went outside, ready for his life to end.

"Why was he talking about Ari? And no one answered me. Is Klaus dead?"

"No, he's not. Elijah backed out. When he went to kill him, Klaus said something about not having buried his siblings at sea and that Elijah would never find them if he killed him." Stefan answered.

"As for Ari," Jeremy sighed, "she showed up here with Uncle John. She's the one who pointed the spell out to Bonnie. Then she spoke with Elijah and the three of them left for the quarry..." He turned to Bonnie.

"She only went so far as the quarry with us," Bonnie said, "from what I could tell, she was making sure Elijah knew what he had to do to kill Klaus. She said that I could let you know she had been here but she had to go. Said she had things she still needed to do and that she might be back in a few months time. She was only here to save you."

Elena stared at the people around her and closed her eyes, "what did John mean when he said she was born into this world."

"She's a witch," Damon said, speaking up for the first time.

Nodding, Elena stood. She needed time to think about this. She needed to have a funeral for aunt Jenna and John first then think about her sister.