Disclaimer: I own a sum of things but RotG is not one of them.

A/N: New story since I've been overindulging in MMO's non-stop and it's overheating my laptop- I've also wanted to write something for RotG because damn, it's an awesome movie. Prior knowledge to the movie is most likely required to know where it picks off. A bit of flashback for the first chappy, so bear with me. Review?

"Shouting" "Flashback/ emphasized" 'Thinking'

"Come on," The brown haired gently coaxed the younger child. He shifted his weight slightly and in response he felt the thin layer of freshly frozen ice ominously fracture beneath him. "Would I ever trick you?" He added mischievously after seeing the still terrified visage of his sister.

"Yes!" The brunette replied, her voice laced with an undertone of panic, "You always play tricks!" She cried in response.

"Just one step, you'll be fine." The girl glanced at her older sibling's encouraging face and shook her head, her legs wobbling unsteadily upon the thin layer of ice coated frozen lake.

"Jack! Jack! I'm scared…" She trailed off hesitantly as the small lines twisting along the ice beneath her became webs of small cracks surrounding her.

Jack grit his teeth, more worried for the panicking girl then his own precarious position on the ice as he eyed his nearby staff- a straight, trusty wooden branch with a peculiar, but not entirely unusual hook at the end- and his eyes widened. "Hey," He told his sibling as playful and casual as possible in what he anticipated was a mildly reassuring tone, "Want to play a game?"

He stood up, legs trembling slightly on the slippery surface as he carefully manoeuvred from one foot to the other in what he hoped was recognisable as part of the game 'hopscotch'. Seeing her honey eyes light up in recognition, Jack beamed. He lunged at the staff and grasped it firmly, holding it out to the skater. "Come on now, it doesn't seem too hard now does it?"

She nodded in affirmation and steeled herself as she took one step, then another. As she moved her foot again she froze at the cracking sound beneath her and let out a terrified gasp as she felt a solid hook tug and fling her to solid ground. She cried out in relief as she eyed her brother smiling at her, the staff used to pull her to safety in hand.

"See? All you had to do was believe." Jack commended her. "I told you that you could do i-" He was abruptly cut off as he made to stand, only to find the ice beneath him... no longer there, and in its stead, freezing water. Jack gave a stunned cry as he plunged into the cold liquid no longer able to clearly comprehend what was, or just had happened.

"JACK!" The young girl shrieked in terror as soon as she had seen him slip, yet he was unable to hear, the numbing water dulling his senses as he felt himself being engulfed by gaping darkness.

Yet, to his cold, unresponsive body, the darkness was almost welcome, and in a way, comforting as he let out one last bitter chuckle. 'At least she's safe.'

Jack woke suddenly, his head jerking sharply from its resting position against the frozen wall, hands clenched tightly around the small semicircular prism that held his memories. Baby Tooth chirped as she observed the white-haired immortal.

He took a couple of minutes to fully process what had happened, he had saved his sister- he had a sister. He had a family. The revelation left him in a furry of emotions, he was not simply Jack Frost, he was not a nobody, not someone with no memories barring the lonely 300 years he spent in most isolation due to the fact no one, no child would see him.

Jack grinned as he recalled memories of his sister, her cheerful, every smiling face and angelic disposition. Jack paused to think, face a mask of intense concentration. Her, his sister. He thought harder, her name. What was her name? Images grew fuzzy in his mind as he growled, what about his family? What about their names? He tried to think back to the time he sat down at Christmas with his family and the scene appeared clearly in his head, his mother's kind features and high cheekbones, his father's stern expression and soft tuft of brown hair. Yet it wasn't what he wanted. 'Their names,' He thought desperately, 'Why can't I remember their names?!'

He buried his head in his hands, he was so close. Yet why? Here he was, left to himself (excluding the presence of Baby Tooth) and memories within his reach. So why was he still unable to remember their names? Jack let out a cry of pent up frustration.

"Hey Jack?"

The boy looked up at his younger sister, perched comfortably on the couch beside the fireplace, "Yes?"

"I love you."

He reached up give her a hug as he ruffled her hair, earning an indignant squawk from her before replying, "Of course I love you too-

Jack allowed his mouth to become a tight line as the memory became fuzzy before clearing up again.

-you think I'd reply any differently?" He chuckled, receiving a shake of the head from his sister.

"Nup, but mum says it's nice to keep saying it because it keep people from being lonely."

Jack gripped tighter onto the cylindrical tube as he heaved a sad sigh. "I really am a guardian, I was one from the start," he murmured to himself, "I was a guardian because watched over her and kept her from danger." He looked up at Baby Tooth before pausing, "MiM picked me to be a Guardian, and whether they like it or not I'm one of them now- a Guardian."

'Yet would they want me back?' He winced, remembering the shattered fragments of the colourful array of Easter eggs, lying motionless and void of hope, 'All because of me.' The recent falling out with the remaining Guardians was an accident, but despite that, undeniably his fault for getting side-tracked and taking too long. In addition they thought he was fraternizing with the enemy and liable to betraying them because of the missing Baby Tooth and evidence he had met with Pitch in that duration of time.

Yet, sitting at the bottom of a crevice (after surviving a fall that would have killed anyone else had they not been immortal) Jack found he could not care less. His ribs had a dull ache and his head was still disorientated from the memories he had regained, he was too tired and confused to correct the Guardians' misconception of where his loyalties lay.

Where did his loyalties lay? Nowhere, to no one but himself. But the Guardians didn't know that, and with his prolonged absence they would soon assume the worst- like him working alongside Pitch the entire time. A mischievous smile played on his lips as an idea came to him. It needed refinement to actually work but as a prank and ingenious plan he thought it was brilliant.

The Boogeyman wouldn't know what hit him, and neither would the Guardians.

But first he had a staff to fix.

A/N: Anyone know what he's planning? If the summary wasn't obvious enough then it should be now. A lot of the flashback was improvised. Review and I'll update quicker, really, I will!