Thank you for clicking this fanfic! I hope you enjoy it, okay first off, just a quick briefing on who the main characters in this are,
Elsa- My OC, Eira Haddock
Anna- Hiccup Horrendous Haddock III
Hans- Astrid Hofferson
Kristoff- Jack Frost
Sven- Jamie Bennet
Olaf- Toothless
That's just the main explanation, so there is no confusion {I hope}

Disclaimer;; I do not own or claim to own How to Train Your Dragon, Rise of the Guardians or Frozen, thank you. I own Eira and that is it.

"Born of cold and winter air,
And mountain rain combining,
This icy force both foul and fair,
Has a frozen heart worth mining,"

Jack heard the faint call of the familiar song of the usual ice miners of the kingdom of Berk. He followed it eagerly, knowing that they would find the best ice as usual.

"So cut through the heart, cold and clear,
Strike for love and strike for fear,
See the beauty, sharp and sheer,
Split the ice apart!
And break the frozen heart..."

Jack laughed a little and ran after the miners, carrying the heavy metal tool in his hand, followed by his eager friend and reindeer, Jamie.

"Hyup!"
"Ho!"
"Watch your step!"
"Let it go!"

The miners around him grabbed their blocks from the water and Jack attempted to pick his small one up, only finding that he couldn't get a grip on it. He frowned a little and tried again.

"Hyup!"
"Ho!"
"Watch your step!"
"Let it go!"

The other workers began collecting up their substantial piles of ice, and Jack watched them enviously, shivering from the slight cold.

"Beautiful!"
"Powerful!"
"Dangerous!"
"Cold!"
"Ice has a magic, can't be controlled.
Stronger than one! Stronger than ten!
Stronger than a hundred men!"
"Hyup!"

Jack attempted still to fish his small block out of the water, it was getting darker and he began to worry that if he didnt get it out soon, he would have to leave empty handed.

"Born of cold and winter air
And mountain rain combining!
This icy force both foul and fair
Has a frozen heart worth mining!"

Suddenly the block toppled over Jack, knocking him to the ground but causing him to smile proudly and begin to try to move it.

"Cut through the heart, cold and clear!
Strike for love and strike for fear!
There's beauty and there's danger here
Split the ice apart!
Beware the frozen heart..."

Jack had just loaded his block onto his small sled when the final line of the song caught in his ears. It gave him an odd sense of foreboding, and made him shiver lightly. He tried to ignore it and giggled softly.
"C'mon Jamie!" He called to the young reindeer, leaping onto the sleigh.

He never did manage to fully shake off that odd feeling though...

Meanwhile, in the center of the kingdom, the great Berk, there was a castle. It stood tall and proud, surrounded by a busy, bustling town, however, by this time, it was deep night and most citizens were long asleep, except for one... A small, dark headed, frecklefaced boy.
"Eira! Psst!" A young Prince Hiccup whispered, poking his sleeping older sister in the back. "Eira, wake up, wake up, wake up! You're snoring like Daddy!"
Hiccup was referring to their father, King Stoick the vast of Berk, a large man with a ginger badger of a beard, a massive appetite and a tiny brain to go with it.
"Hiccup go back to sleep already..." Murmured Eira, burying her face in her pillow.
"Eira I just can't! The sky's awake, so I'm awake! So we have to play..." Hiccup whined, nuzzling Eira like the dragons he was so obsessed with.
"You're acting like a dragon again you silly, go play by yourself..." She mumbled, shoving Hiccup out of her bed and straight into the pile of blankets on the floor.
Hiccup rubbed his head a little, before his freckled face lit up. He crawled back up onto the bed, and giggled.
"Do you wanna build a snowman?" He asked in a quiet tone.
His sister smiled and pulled herself out of bed quickly, straightening up her hair. Standing up, you could see she was quite small, but taller than her brother, and dressed in a small blue nightgown. Her hair fell halfway down her back and was a black color, with highlighted whites. People always asked if she was born with it or cursed, and she always told them that it was real, but no one apart from her family knew how it came to be real. Eira had been the unlucky child to be born with ice powers, they were small when she was a baby but as she became a toddler and then a child, they grew. Her brother seemed to adore it, however, so she used them frequently.
"Come on fishbone!" Eira called to her brother as she entered the great ballroom.
"Do the magic! Do the magic!" Hiccup cried happily and Eira formed a small dragon in the palm of her hand, drawing a small 'Wow...' from her brother.
"Ready?" She asked and when her brother nodded, she split it, and sent snow particles flying into the sky, and they began to fall, coating the ballroom floor in a thin blanket of snow.
"Hey Hic, watch this!" Eira called, stamping her foot down onto the ballroom floor, spreading an icy layer on the floor, and skating around it happily.
Hiccup then started to roll a snowball and the two of them started to make a snowman, which soon, thanks to Hiccup, turned into a snow dragon. Specifically, a snow Night Fury, the most mysterious dragon type in the land. Little was known about them except their looks, the fact that they eat fish and have retractable teeth. Hiccup and Eira's ancestor, Hiccup Horrendous Haddock II was the only person who ever documented seeing one, eating a pile of raw fish, giving Hiccup dreams of meeting dragons, hence why he turned the concept of snowman to dragon. They smoothed down the edges and Eira hid behind the dragon, giggling.
"Hi, I'm Toothless and I like eating fish!" She said in a pretend low voice.
"But Eira he has teeth!" Hiccup said stubbornly.
Eira wooshed away the teeth quickly and Hiccup giggled.
"I love you Toothless!" He squealed, going to sit on the dragon.
"C'mon fish bone!" Eira called, pulling Hiccup up a small snow slope that had formed.
They slid down it together, both screaming and giggling.
"Look at me I'm flying Eira!" He called, before crashing into a snow bank.
Hiccup quickly recovered, and began to jump from snow pile, to snow pile.
"Hang on!" Eira called, laughing, as her brother jumped from pile to a sudden pile that Eira created to stop him falling.
"Catch me!" He giggled
"I gotcha!"
"Again again!"
"Wait slow down!" Eira called, worried, when she suddenly slipped and lost her footing on the slippery ice.
Her brother, however, hadn't seen her fall and leaped off of the pile.
"Look at me Eira! I'm a dragon!" He called, suddenly falling.
"HICCUP!" Eira screamed, shooting out her hand to try to create a pile, but instead, to her dismay, she saw her beam had hit her brother right in the head.
"Hiccup?" She whimpered, as her brother landed limply on the floor.
She approached him, and held him in her arms, she shook him a little. He didnt move. She felt tears welling up in her eyes and was soon screaming at the top of her lungs.
"PAPPA! PAPPA!" She cried, the room beginning to freeze up, the columns frosting over as she got more and more agitated. "You're okay Hiccup... I got you..."
Suddenly the door flew open and a bewildered looking Stoick burst through.
"Eira... What have you done?" He asked, shocked. "This is getting out of hand!"
"It was an accident!" Eira cried to her father. "I'm sorry Hiccup..." She whimpered at her brother.
"How is he?" He asked, worried.
"He won't wake up Pappa... He's so cold..." Eira whimpered.
Stoick got a determined look in his eye and he turned around, and walked back towards the door.
"I know where we have to go."
Stoick fetched a map from the library and soon, the three of them, bundled onto one horse, began riding through the forest, Eira leaving a trail of ice behind her as they rode.
Jack was just riding on his sleigh, wooping at Jamie, travelling through the forest, when he saw the horse fly past. He looked at the ice trail in confusion, running a hand through his spiky white hair.
"Ice?" He asked, touching the frost.
He left his sleigh where it was and leapt straight onto his reindeer.
"Faster Jamie!" He called to his reindeer, when they came to a mass of boulders, surrounding a clearing. The two of them hid behind one and waited.
The king and his children got off of their horse, and made their way to the middle of the clearing. Eira held onto his leg, while Hiccup was held in his arms.
"Please! Help!" Stoick began. "My son-"
He couldn't finish what he was saying. His voice cracked.

Suddenly, the rocks rolled away, and out came elves, yetis, walking eggs and small hummingbird like creatures, followed by four of the most renowned creatures in the land, one of which popped up right next to Jack and Jamie. She looked like a feathered fairy, with peacock colored feathers from head to foot as she floated, her expression as bright as the colors on herself. Her name was Toothiana. The other three were named Aster Bunnymund, Sanderson Mansnoozie and their leader, Nicholas St. North. Bunnymund was a tall creature, over six foot tall, with grey blue fur, and swirling patterns, with a boomerang hanging at his side and a grumpy expression. Sanderson, or Sandy, was, on the contrary, very short, with golden sands flowing around him, he had a warm smile on his face. Nicholas St. North, their leader, was a medium height, stout man with almost no hair, but a bushy white beard to make up for it and dressed in a deep red coat with black trimmings.
A flutter of, " It's the king!" passed through the ranks of the watching creatures.
Jack felt a shocked expression grace hs face, not noticing the one next to him.
"Wait... Is that... The guardians?!" He gasped, his eyes flying wide open.
"Please shhh dears! I'm trying to listen!" Toothiana suddenly whispered, causing Jack to pull a nervous grin at her, as Jamie flashed his reindeer teeth toward her.
"Oh how cute you are, with your perfect white teeth! I bet you don't have a family... I'm gonna keep you two!" She said, in a motherly tone.
Meanwhile, North had approached Stoick and his children.
"Your majesty." He began in a thick Russian accent, bowing. "Born with the powers or cursed?" He asked, causing Stoick to slam a fist down on a rock angrily.
"You think I'd let anyone curse my daughter!" He began, red faced, but then remembered that he still needed their help. "Born of course, and they're getting stronger." He finished awkwardly, coughing slightly.
North pressed a hand to Hiccup's head gently, and nodded slightly.
"You were lucky it wasn't his heart." North started gravely. "The heart is not so easily changed, but the head can be persuaded." He finished, examining the boy once more.
"Please... Anything just save my son..." Stoick begged, showing his caring side for once.
North just nodded again, and pulled a glowing strand from his forehead, which turned into an image of Hiccup and Eira playing together.
"We will remove all magic, even memories of magic, to be safe, but don't worry, I'll leave the fun." He said softly, transforming the images into something that seemed more realistic, with forests, snowstorms and sleds. "He will be okay." He said simply, seeing a relieved expression make its way onto the King's face, as he placed the memories back.
Eira then piped up.
"But Hic won't remember I have powers anymore?" Eira said sadly and nervously.
"Eira that way, you can't harm him any more..." Stoick said bluntly and harshly, taking her hand and starting to lead her away.
However, North grabbed her other hand and took it firmly, leading her away from her father.
"Listen to me, Eira." North began, casting a blue silhouette up into the sky. "Your power will only grow! There is beauty in it," Eira felt herself gasp as she saw the beautiful patterns flying from the hands of the beautiful shadow,
"but also great danger!" The sky suddenly flared red, causing her to scuttle back to her father.
"You must learn to control it! Fear will be your enemy!" He finished as the silhouette was engulfed by the red light, and Eira hid her face in her fathers jacket.
"No!" Stoick boomed, stamping his foot. "I will protect her! She can learn to control it..." He insisted. "'Til then... We will lock up the gates, fire some of the useless staff, don't allow her near anyone, keep her powers locked away from everyone... Especially Hiccup..." He decided.
"No Daddy!" Eira gasped, but North lay a hand on her shoulder.
"Eira, it is for the best that you stay away from Hiccup..." He explained, and Eira could do nothing but nod slowly and sadly.

Thank you and please review ouo