Well, like I said before. This is AU. Anna won't come in till second year

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Hermione and Elsa watch with wide eyes as a mountain troll entered the bathroom. Elsa gasped as she and Hermione took a few steps backwards.

Their backs hits the back wall, there was nowhere to go. They were caged and trapped.

Elsa reached for her wand, but just as her fingertips brushed against it, she felt frozen with fear. Her back hit the corner wall, ice suddenly appeared around her.

The troll raised his club and swung it at Hermione, who screamed as she fell to the floor, and the troll's club smacked into all the stalls, making both Hermione and Elsa scream.

"Hermione!" Harry was suddenly yelled as he stood in the doorway of the bathroom. "Elsa!"

"Harry!" Elsa cried, just as Ron came running in behind Harry and crashed into Harry's back.

Harry picked up a rock from the floor and threw it, followed by Ron. Both the rocks hit the troll in the head.

"Hey! Pee brain!" Ron yelled, throwing another rock and it hit the troll in the forehead when he turned.

Harry hurried over towards Elsa. "Elsa, are you ok?" He asked, quickly noticing her shaking. "Hermione, are you ok?"

"I'm alright." Hermione answered with a nod. "But Elsa."

"Get down!" Harry yells in warning as the troll raises his club, grabbing Elsa, Harry and Elsa fall to the floor and next to Hermione. "Ron! Do something!" He yelled.

Ron looked around. "What?"

The troll swung his club towards the three on the floor.

"Ron, your wand!" Hermione exclaimed as Harry jumped and grabbed the club.

"Harry!" Elsa cried as he was lifted up into the air, and he jumped and on the troll's shoulders, grabbing his big ears.

"What about my wand?!" Ron demanded.

"Use it!" Both girls yelled, as the troll violently shook Harry in hopes of throwing him off.

"But, but." Ron hesitated, the troll violently shook Harry again, until Harry was able to stick his wand up the troll's nose, but the troll was able to grab Harry's leg and and now hung him upside down in one swift move.

Taking a few deep breaths to calm herself, Elsa picks up the bottom of her robes and stomped hard on the floor with her left foot. Ice froze the floor.

"Wha, what's going on?" Hermione asked, stunned and now cold from the iced floor. The troll took a step and started to slip on the ice, dropping Harry who rolled to the wall and out of the way as the troll started to slip and slide.

"What's happening?" Ron asked, he pulled out his wand.

"Ron, just swish and flick." Hermione instructed, using her wrist for the rotation movement.

Ron aimed his wand at the club and spoke the correct levitation charm, the club froze in midair, before it dropped down on the troll's head.

Knocking the creature out.

BAM!

The whole room shook and the kids stumbled around when the troll landed hard on the floor.

It was quiet between the four as they all stare at the troll and the ice.

"Is, is it dead?" Elsa asked.

"I don't think so." Harry answered as he bends down to grab his wand and pull it out. "Just knocks out." Hd straightens up and makes a face as troll snot covered a good chunk of his wand. "Ew."

"Gross." Elsa shuttered.

Suddenly Professor McGonagall with Professor Snape and Professor Quirrel. "Oh! My goodness!" McGonagall gasped, staring at the giant troll. She then turns to Harry and Ron. "Explain yourselves, both of you!"

Both of them started to stutter with trying to explain.

"It's my fault, Professor." Hermione took a step forward.

"No! It's my fault." Elsa took the blame. "I wasn't at dinner. Harry, Hermione and Ron came looking for me. If they hadn't, I wouldn't be standing here right now." She explained.

"Well, be as it may, 50 points will be taken from Gryffindor and Ravenclaw." McGonagall said stirnly. "But 10 points will be giving to each of you. For sure dumb luck! No one, I repeat no one has taken on a giant troll and lived to tell the tail."

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The four headed down an empty hall. "Thank you, Elsa." Harry thanked as they walked. "You didn't have to do that for us."

"I wanted to." Elsa smiled at him, then glares at Ron.

"What?" The red head asked. "Do you have to give me an icy glare all the time?"

"You should apologize to Hermione."

"We would've have gotten into trouble if you hadn't insulted her." Harry added.

Ron sighed, then looked at Hermione. "What are friends for." He forces it out in a snobbish way.

"Ron!" Elsa yelled. "That was not a real apology."

"It's ok." Hermione told her. "I'll take it. For now."

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Ok. As I said. This is AU for Frozen, just a little. I might do some Ron bashing in later chapters so just be warned, if you don't like it I'll tone it down or stop. Also for Ginny when she comes in.

I don't like Ginny, never have. I'm sorry for those who do.

If you like Power Rangers. I have a few Power Rangers fics up, most of them are complete. And if you like Ninjago, I have two different series of Ninjago.

And I'll work harder in writing bigger chapters.