I don't own Frozen or Rise of the Guardians! end/AN/

She had to be about ten, Jack figured. Her hair was as white as his, if not whiter, and her secret… it hit a place in him that was hard to explain. Somewhere around his chest, like a ball lobbed when he wasn't looking.

Her name was Elsa, that much he'd found out. She was a princess, but a princess with a power unlike almost anyone else had.

He watched through the window, as she touched the window with her fingertips and it frosted. She stared at it, as if she could make it go away just by looking.

Jack put his hand on the window too, putting delicate frost patterns on it, but she'd already turned away, sitting down on the floor with her shoulders hunched and her arms around her knees.

A pang went through Jack's heart, a feeling that they had a kinship: she, isolated by her powers, and he, isolated by his strange status. He wanted her to see him, almost more than he'd wanted anyone else to ever see him.

They were alike, and yet there was a deep divide between them. She would never see him, and he would never speak to her. He sighed, letting his breath frost the window further.

She didn't see.

Her shoulders seemed to quiver a bit, but not from the cold; she didn't get cold.

Jack watched her still, wanting to say, 'I know how it feels.' He wanted to reach in, take her hand and show her every bit of frosty wonder her powers could produce. She reminded him of someone, and he wasn't sure if it was him.

But then she stood, and turned to face the window once more. Her face was a schooled blank, lower lip twitching as she fought herself.

She stared out the window, but she didn't see the frost.

Jack stayed a little longer, but it hurt to not be able to do anything to help, and so he moved on to frost other windows.

He never knew what happened to her.

/AN/ Not sure what the time period is supposed to be with Jack Frost, so it might be a little off chronologically speaking… but I had to write this.

I like the Frozen movie (all except the trolls, ick), and I hope to write more crossovers with it. Expect more, hopefully!