In my story, my Marauder's Map is a little amped up.
When Chloe woke the next morning, Sophie was already gone, Petra getting ready, and Katie was still asleep.
"Should we wake her up?" Chloe asked Petra quietly, pulling out her uniform.
"No, she will be up in about five minutes." Petra assured her with a smile.
By the time Chloe was ready, Katie was halfway done. Petra and Chloe waited in the common room for Katie. Chloe had learned that Sophie was a prefect and was helping out the first years that morning. She was second in class, only behind one of the Ravenclaw boys. The three girls finally walked down to the Great Hall, sitting in the middle of the Gryffindor table where Chloe met the four Gryffindor seventh year boys. Harry and his friends joined them a couple of minutes after they had taken their seats. As Professor McGonagall was passing out schedules, the post arrived. Chloe received letters from both Hestia and Remus, and a short note from Tonks. Just as Chloe was finishing reading Remus' letter, McGonagall got to Chloe.
"Ms. Potter, you can take all the classes you sat OWLs for. You have to take at least five."
"Everything but History of Magic. If that is alright."
McGonagall tapped her wand against a sheet of parchment. "You are all set." She handed Chloe the parchment, and Chloe realized there was an extra note underneath. "By the way, Quidditch trials will probably be set either this week or next. I expect to see you there." There was a small smile tugging at her lips, her eyes dancing with merriment and glee.
"Yes ma'am." Chloe grinned in turn.
McGonagall moved off and Chloe ran her eyes over her timetable, before pulling out the extra note. It was an origami cat that when it touched the tabletop, sprang to life, cavorting around among the breakfast dishes. Chloe smiled, before bursting into giggles. She continued laughing as the cat knocked into things or climbed into them, Chloe throwing back her head as it dipped it's paws in her oatmeal. Once the charm had worn off, Chloe took the note, and carefully unfolded it, taking note of the spell that had been used, reading the response to her letter to McGonagall.
It turned out that Sophie and Chloe had the same schedule. Chloe headed back to Gryffindor tower to collect her things and headed to DADA with Professor Snape. It was a double session but it was mostly review. It also happened to be with the Slytherins. Chloe figured most of them were Death Eaters in training but she did her best anyway, not letting her guard down.
"For the next hour, we are going to have an exhibition. You are all seventh years and have had enough spell work to do this. You have ten spells to best your opponent. If there is a stalemate after ten, you are both out."
"Do shields count as a spell?" One of the Slytherins asked.
There was an even number of Gryffindor and Slytherins. Chloe was in the last pair to go. Only Katie and Sophie had beaten their opponents of the girls so far. Only one of the Gryffindor boys advanced. Most of the Slytherins were kicking major butt.
"You are up Potter." Snape drawled.
Chloe took her dueling stance. Her opponent threw the first spell. Chloe conjured a shield and again without realizing it, switched it to her open left hand. She cast five more spells and her opponent was defeated. The Slytherins were all muttering among themselves and Chloe could hear murmurs from behind her as well from her fellow Gryffindors. Three duels later put Chloe as the last Gryffindor. A Slytherin boy was her last opponent.
"This is the last duel. Whoever wins, will get ten extra credit points on their first assignment. Begin." Snape said.
The first spell Chloe's opponent used was a bone breaker curse. That's not a spell to use in a classroom duel! Chloe's brain screeched as she rolled and dodged. Deciding not to waste any of her spells on shields, all of them were offensive. On her tenth spell, Chloe prayed to whoever was listening that this would work. She put as much raw power into her stunner as she could. It blasted through his shield, and made him fall back. He fired his last spell at her which she dodged easily.
"Alright. Stop. I will call this a draw. Both of you will receive ten extra credit points. Five points to Slytherin and five points to Gryffindor. Class dismissed."
Chloe's fellow Gryffindors were chatting excitedly about the class as they walked through the halls.
"But Snape never gives points to Gryffindor. He takes them away." A boy, Nathan, said.
Chloe received many compliments on her skills. Chloe blushed. They were still talking about the class when they walked into the Great Hall for lunch. Just as a few of them were walking back to Gryffindor tower after, including Chloe, they all suddenly tripped. Chloe looked up just in time to see Malfoy and his gang hurrying into the Great Hall.
"Malfoy," Chloe snarled under her breath.
"Here Chloe. You alright?" Cormac McLaggen, one of the other seventh year boys, was holding a hand out to her.
"Thanks," She took it, getting to her feet.
Cormac and Chloe walked back together. "What do you have next?"
"Double Potions. You?" Chloe asked.
Though Chloe had Arithmancy as well, Cormac's class interfered with her Potion's class so she had it at a different time. Once they got back to the tower, Chloe grabbed her Potions supplies and she and Cormac walked back down through the castle, departing on one floor as she continued down to the dungeons. Petra, Sophie, and Chloe shared a workbench on one side of the room.
"Good afternoon class," Professor Slughorn began. "Welcome to seventh year NEWT Potions. I am Professor Slughorn. Today, I would like you to make a NEWT level potion. Brew it and then present a vial at the end of class. Please begin."
Slughorn was generous with praise for all of his students. At the end of class, everyone handed in a sample vial of their brew. They then trooped back upstairs for dinner. Afterwards, they headed back to Gryffindor Tower. The common room was starting to fill up but the older kids always got the best seats. The rest of the seventh years were close and helped each other out. They were all willing to include Chloe in their activities as they worked on homework. Chloe had essays to write for both of her classes.
"Hey Chloe," Harry sat down next to her.
"Hey Harry. What's going on?"
"Just wondering how your first day was."
"Great!" Chloe responded with a smile. "How about you?"
"Pretty good." He paused. "You were one of the Gryffindors that got tripped right?"
"Yeah. I think it was Malfoy. I saw him running into the Great Hall right after it happened. Prank time?"
"I think so. Got any ideas?"
"We can't make it individuals. Too easy to trace."
"Hit the whole school?"
"Yeah. Even us. It will probably help if one or both of us get hit as well."
They were quiet as they thought. It was Harry who figured it out.
"Pink hair. We will get the doors and portraits of the common rooms. We will put a trigger. It won't start until tomorrow morning and be done by dinner."
"Pink mohawks. More dramatic. Let's see, what spells are we going to need?" Chloe started writing down spells. "We will have to lay spells on top of each other. Here, check these out." Chloe handed over the parchment.
"Yes, this will work. The spell will rub off on whoever touches it. Let us make it a 30 minute window though. That way, everyone won't get it."
"Want to do this tonight?"
"Yeah, but we won't both fit under the invisibility cloak. I grew a couple of inches." He looked down at the ground, scuffing his feet. He was still a little self-conscious about his added height.
Chloe ruffled his hair, smiling. "Disillusionment charm baby bro'. I can do them."
"Alright, let's go now then."
Harry ran up the boy's staircase and Chloe put her things in her bag before putting it away. The siblings walked out of the portrait hole. Their curfew was not as early as the younger kids but they still didn't want to get caught out of the tower. They found a dark corner and Harry on the invisibility cloak, Chloe her disillusionment charm and they both put silencing spells on their shoes so their footsteps would not sound on the marble floors.
"Ravenclaw tower is closest. Let's go there first."
Chloe couldn't see him obviously, just as he could not see her, but every so often, she would hear him give a direction. They stopped in front of a blue door with an eagle knocker in the center.
"Are you sure this is it?" Chloe whispered.
"Yeah, Marauder's Map remember?"
"Right. Let's go. I will do these, you do those." Chloe had brought the parchment with her.
They laid the spells on the door and headed toward the basements. Hufflepuff's portrait was next. While they walked toward the Slytherin door though, they almost ran into someone coming out of the common room. They rushed back upstairs, got Gryffindor Tower and reappeared before going inside.
"I will make sure I touch the portrait at the right time," Chloe said.
"Me too. This is going to be great."
"I'm off then. Night."
The other girls were getting ready for bed when Chloe walked upstairs to her room.
"Where did you disappear to Chloe?" Katie asked.
"Harry and I had something to do."
"What was it?"
"Uh, you will find out tomorrow." Chloe replied evasively and the others just smiled.
The next morning, Harry and Chloe walked down to breakfast together.
"I warned Ron and Hermione last night. Neither one is going to get hit."
"I didn't warn anyone. We need to make sure we get pictures of this."
"Colin Creevey will take care of that."
There were people in the Great Hall already, including Draco. Harry and Chloe grinned.
"We got him," Harry said happily.
They kept checking their watches, waiting anxiously for it to turn eight. When it did, ¼ of the school burst out with pink mohawks. Each house was slightly different as well. Slytherin had a very bright pink. Ravenclaw had a dark pink. Hufflepuff had the shortest while the Gryffindors had the tallest.
"Oi Collin! You have your camera?" Harry called down the table.
"Of course," He scurried over.
"Can you take a picture of us together?" Chloe asked.
"Sure," Harry and Chloe posed for Collin who quickly snapped a picture.
"Collin, when you develop these, can you do it in color? We would like a couple of copies." Harry asked.
"No problem." Collin assured him.
"Thanks Collin." Chloe said as the younger boy scurried off.
As they were finishing breakfast, they joked with the other Gryffindors who were now sporting pink mohawks. Petra, Sophie, Katie and Chloe went off to double Transfiguration, each sporting a mohawk except for Katie. Nobody had a clue as to who had done it because every house had gotten hit. Sure, some teachers had suspicions, but no one could prove anything. Transfiguration was review and lecture that morning. Professor McGonagall just rolled her eyes every time she set eyes on a head of pink hair.
Once the class was dismissed, Chloe stalled as she put her things away.
"Chloe, you coming?" Katie asked.
"Go ahead." Chloe smiled, putting a hand in a pocket as she walked up to McGonagall's desk at the front of the room. "Professor?"
McGonagall looked up from her writing and smiled. "Yes Ms. Potter?"
"For you." Chloe held out her hand and opened her palm.
Chloe walked away and McGonagall simply looked at the folded square of parchment. After a moment, it opened, blossoming into a lily. McGonagall gave a small oh of surprise and watched as it continued to fold itself into different flowers before going back to the square and then continued to change through the flowers in order again.
"Well played Chloe. Well played indeed." McGonagall murmured with a smile.
After lunch, Sophie and Chloe headed off to the greenhouses for an hour of lecture for Herbology. They dropped their stuff back in the common room after and headed outside for a break before dinner. The two girls chatted easily as they sat on the bank of the lake. Cormac, Nathan, and Petra joined them a little while later. The teens wanted to enjoy the good weather while it lasted. Katie was the last to join them, flopping down on Chloe's other side.
"Quidditch tryouts are on Saturday at 11. You are coming, right Chloe?"
"Yep." Chloe assured her with a smile.
"I already talked to Harry. He is going to give me a chaser spot. That leaves two chasers, two beaters, and keeper. Wonder if Ron will go out again?"
"I don't see why not. He was on the team last year. Who else?"
"Ginny Weasley will try out. And you. I don't know about anyone else."
Everyone chatted easily about different stuff. They headed into dinner later. By then, all the pink mohawks had disappeared.
"Glad that is done with. That thing was getting heavy." Sophie said checking her now normal hair in a hand mirror.
"Aww, I was enjoying the look," Petra joked, borrowing Sophie's mirror to check her perfect coif.
All Chloe could do was laugh. Operation pink mohawks had been a success.
After McGonagall had finished passing out timetables, she made her way back up to the staff table, taking her seat next to Dumbledore. She slid a piece of paper to Dumbledore.
"What is this?" Dumbledore asked quietly.
"An agreement you will sign as compensation for what you did to me. You will agree to it or I will press formal charges against you. You will be ruined." McGonagall's tone was quiet but icy as she acted normally, serving herself breakfast.
Dumbledore took a moment to read it, and his eyebrows raised. "You are serious?"
"Yes. Look at her." McGonagall pointed to Chloe who was laughing at the cat McGonagall had given to her. "No amount of money will ever give me back the sound of her laughter, and the smiles on her face that I was denied. This way, the school will benefit, and she will have more of an inheritance from me."
"Blackmail Minerva? This is very low."
"I learned from the best." She looked pointedly at him.
Dumbledore hesitated for a moment but then realized he had no choice. He signed the paper and handed it back.
"When will you be collecting?"
"Very well. I will handle it this morning and you can check it this afternoon."
Minerva nodded and finished her breakfast, Dumbledore leaving early to get his accounts settled. Minerva was leaving him with a small fraction of his vast fortune, most of it to benefit the school, the rest to collect interest in Minerva's bank account that would be inherited by Chloe upon Minerva's death, or when she saw fit to give it to her.
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