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kazledazzel · 4 years

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Hi! I was wondering, for the au + trope + prompt game: can I request the Merry thieves in the hogwarts au? I can totally see them as marauders! Maybe prompt 23? but honestly any one of them would be cool 💕💕💕

Thank you for the prompt! I hope you like this. I tried to stick to the Merry Thieves as much as I could, but I did end up wandering to Thomastair... so I’m sorry about that, but I have been wanting to do a Shadowhunters Hogwarts Au for ages, so I plan to do a series of one shots for this au. (I want to do more Thomastair, Blackdale, The Merry Thieves, Gracetopher, etc...). Anyways, I hope you enjoy this. I have a part two of this if anyone is interested.

Click here to read on Ao3 or keep reading below :)

“Are you sure this is legal?” Thomas asked, peering down at the quidditch field from where he sat on the bleachers next to James Herondale. The two gryffindors sat together, supervising the other half of the friend group.

The pitch was empty, and the group had taken this opportunity to sneak down and test out Matthew’s new broom. Matthew Fairchild was a Slytherin who was as ambitious as he was cunning, and had jumped at the opportunity for a better broom. His old one, though a cleverly crafted broom made by Matthew’s father, had suffered a rather disastrous encounter with Alastair Carstairs, and was long in the bin. It had just so happened that Christopher had been in the process of making a broom, better than any Nimbus or Firebolt. He had accomplished one of his lifelong goals; to combine magic, science and mechanics.

Only Thomas seemed to be worried about this experiment. He was proud of his cousin, but there was often a thin line between success and disaster when it came to Christopher’s inventions. However, Christopher did seem utterly and completely focused on his latest invention. He was so lost in his work, he seemed to have failed to noticed that he was wearing the wrong tie. Grace Blackthorn was probably in the castle somewhere, searching her room for a green tie and instead finding a Ravenclaw blue one.

“I am sure-,” Matthew started, giving Thomas false hope. “- that what the Ministry of Magic doesn't know won't kill them,”

Thomas frowned. He turned to James for backup, but he had his head in his book. Thomas scowled, and returned to his babysitting.

“It’s almost done,” Christopher said, raising his voice loud enough so that both guys on the bleachers could here. He raised his wand and cast a silent charm. He cleared his throat. “Matthew and Gentlemen-,”

“Kit!” Matthew demanded. “Are you implying that I do not qualify as a gentleman?”

Christopher shrugged, but James took this opportunity to poke at his best friend.

“Anna told me otherwise,” James called down. “Did you or did you not have a rather scandalous encounter with a Hufflepuff prefect last week?”

“Hufflepuff? Alastair Carstairs’ house? Really, Jamie? I would never,” Matthew lowered his voice. “It was a Ravenclaw,”

James laughed, while Thomas only smiled. Although the situation was funny, he was getting rather tired of Matthew’s hatred for Alastair Carstairs. Was all this nonsense really over a broken broom, or did it run deeper? Thomas didn’t know, but he needed an explanation before he could hate Alastair Carstairs. Maybe he wasn’t as bad as James and Matthew thought.

Then again, maybe Thomas was just being silly. If he was honest with himself, he’d admit that he had strong feelings for Alastair Carstairs. Strong feelings that caused great confusion, and Thomas couldn’t tell if those strong feelings were born out of love or hate. He’d thought about talking about it with Christopher, but Kit hadn’t really picked up on the fact that Thomas may lean more towards boy, nor the fact that his science goggles were upside down. God bless Christopher and his obliviousness.

Then again, Christopher may have been oblivious, but he wasn’t stupid. In fact, he was one of the smartest people Thomas knew. The sorting hat had known it when placing him in Ravenclaw, and even the Slytherin prefect Grace Blackthorn had known it. Not only did Grace seem to be aware of Christopher’s genius, she seemed to be falling in love with it. Grace Blackthorn, who was so set on maintaining her reputation of being sensible and too mature for love in all its silliness, had fallen for a softie like Christopher. Thomas often found it funny; plenty of quidditch stars from all the different houses fancied Grace Blackthorn, but she was too busy looking at Christopher with cartoon hearts in her eyes to notice.

Thomas was constantly seeing romantic love. He saw it every time Cordelia Carstairs had walked past, making James blush red like a tomato and leaving him stutter for five minutes as he tried to remember his own name. He saw it every time he went looking for Lucie only to find her writing her manuscript with I heart Jesse Blackthorn and Lucie Blackthorn written around the edges. He saw it most of all in the way Anna and Ariadne talked about each other. Thomas was constantly surrounded by his friends and their lovesick hearts, and yet he couldn’t figure out his own.

“James, and Matthew,” Thomas said, glaring at both boys harmlessly. “Let Kit finish,”

“Thank you, Thomas” Christopher began again. “As I was saying, I present to you all, The Lightwood Flamethrower,”

James chuckled softly. “Lightwood. I get it. Light-wood. Brooms are made from wood,”

The rest of the group turned to look at James, who was slowly realising the obvious. He slouched, as if he was trying to make himself smaller.

“Come on then. Let’s try it out!” Christopher said enthusiastically, gesturing for Matthew to get on the broom. He rambled on excitedly. “It should go faster than any Nimbus or even Fire Bolt, and it has a spacial awareness feature so that you’ll be able to tell if there are any bludgers coming your way. It started producing sparks last night, but that probably won’t happen anymore-,”

“Probably?” Thomas asked worriedly. “Have you ran any safety tests?”

Matthew grinned with bright green eyes. “What do you think we’re doing now?” He began to mount the broom, and Thomas felt he might go into cardiac arrest. Matthew picked up a helmet and put it on his head. “Besides, I’m wearing a helmet,”

“That’s great Math, but you haven’t strapped it on right,” James pointed out.

“Oh dear god,” Thomas said, exasperated. He buried his face in his hands, while James patted his shoulder.

“Don’t look now,” James said, his voice low. Thomas heard Matthew give an annoyed groan, and he looked up from his depressed state. He spotted the cause of Matthew’s annoyance right away.

At the entrance of the quidditch pitch was the entire Hufflepuff team. Leading the team was Cordelia Carstairs, in full quidditch gear and carrying her broom, the Cortana two thousand, as if it were a mighty gold sword. To be fair, it was the greatest broom one could buy. They were extremely rare, and had been discontinued. Thomas recalled how Christopher hadn’t compared his own broom to Cordelia’s. The Cortana two thousand was faster than any other broom, and could change direction easier than even a Fire Bolt. With Cordelia as their Captain, Hufflepuff was a hard team for any house to beat. It didn’t matter if the weather was against them, Cordelia flourished in rain, hail, sleet and snow.

Next to Cordelia was Lucie, who stuck out like a sore thumb in her Ravenclaw robes. She didn’t really need to be there, but she often went along anyways to support Cordelia.

“And to look at Jesse Blackthorn,” James had once said to her, with both the disapproval of a protective older brother and with the satisfaction of teasing on a sibling.

“Very funny, Jamie. How long did it take for you to form a full sentence the last time Cordelia spoke to you?” Lucie has snapped back, while Matthew burst out laughing.

Alastair Carstairs wasn’t far behind his sister. Being the older sibling, some might have thought Alastair would be annoyed that the position went to his younger sibling. If he was, he didn’t seem it. He seemed perfecting content being Head Boy. Not that Thomas payed much attention to Alastair’s behaviour, or the way his eyes crinkled when he laughed, or the way he-

“I’m going to do it,” James whispered to Thomas, interrupting his thoughts. James closed his book and practically bounced out of his siting position. “I’m finally going to talk to Cordelia Carstairs,”

“Okay, Jamie,” Thomas said, standing up and following his friend down the bleachers. “Just remember that your name is James Herondale, not-,” Thomas made a series of spluttering noises. James blushed.

“What’s all this about, Carstairs?” Matthew demanded, glaring at Alastair. Cordelia didn’t seem to realise the question wasn’t directed at her. She seemed a little hurt.

“Quidditch practice,” Cordelia replied, eyebrows raised. “What’s wrong with that?”

“Oh, sorry, I-,”

Cordelia had her head held high as Matthew struggled to explain he was speaking to her brother. Alastair looked amused, as Thomas tried to rip his gaze away from him. He often found it amusing how Matthew could hate one Carstairs so much, and be fighting with his best friend over the attention of the other.

By now James was my Matthew’s side, and had gained a new confidence from Matthew’s humiliation.

“That wasn’t very nice, Matthew,” James gloated. He was looking at Cordelia hopefully. Cordelia broke away her gaze, and Thomas could see the scarlet colour against her brown skin. Cordelia Carstairs was blushing over James Herondale.

Maybe Thomas wasn’t as fluent in love as he thought he was.

“We booked the pitch,” Alastair said, moving to his sisters side. Matthew seemed to have forgotten his desire for Cordelia immediately, and was now looking at Alastair as if he was the Devil himself coming to drag Matthew back to Hell with him. Not that Cordelia noticed. She and James were both stealing glances and giving each other soppy looks. It truly was a wonder that they didn’t know their love was requited. Lucie was making her way towards Thomas and beaming. No doubt she was about to write James into her newest chapter of the Beautiful Cordelia.

“It’s true,” Lucie said, rolling her eyes at Matthew and Alastair’s petty feud. Her and Thomas had discussed it often, but neither of them knew the root of the rivalry other than the fact that Alastair had once broken Matthew's broom after they both collided in a quidditch match, but that had been an accident. Perhaps their hatred had always been there, and this had just triggered it. Still, even that didn't add up. Matthew wasn't a hateful person. That was something all the Merry Thieves were aware off, especially James. All of Thomas' friends were like little lights in his life, and Matthew was sometimes the shiniest. Despite coming across as overly charismatic or vain, Matthew never failed to radiate what good was in him. He was constantly willing to be the guinea pig in Christopher's experiments, and never let his obvious crush on Cordelia get in the way of his friendship with James. Thomas sometimes wondered if James was even aware of Matthew's feelings for Cordelia.

Then there was Alastair. Mysterious Alastair, whom Thomas had never cared for until his fourth year at Hogwarts. Up until then, Thomas had known nothing of the other boy save the fact that he was a fifth year Hufflepuff with a repuation, that his friends with Clive Cartwright and Charles Fairchild, Matthew's annoying older brother, and that he and his posse sometimes liked to pick on first years. It wasn't until that one day in Third Year, when James had been locked up in the infirmary with a broken leg and Thomas had been sent on the Honeydukes run while Christopher, Matthew, Lucie and Cordelia had stayed behind to keep James company that Thomas even spoke to Alastair. It had been snowing outside and it had been difficult for Thomas to see where he was going. He accidentally walked straight into Alastair as he entered the shop. Thomas had been almost terrified; Alastair had been so intimidating when he'd had his two friends by his side before. He hadn't seemed intimidating that day in Honeydukes, though. He'd seemed lonely, and as Thomas bent to help Alastair pick up his chocolate he could see that Alastair's dark brown eyes were brimmed with red. Sometimes people weren't scary; they were just sad.

Thomas, being Thomas, had asked the other boy if he was alright. Instead of brushing him off, Alastair had admitted he needed a bit of a distraction. This led to casual conversation, and eventually the two ended up chatting over chocolate cauldrons and fudge flies. They parted on friendly terms, and had a few encounters after. These encounters were a secret, of course, and mostly accidental. Still, Alastair seemed to enjoy Thomas' company. Thomas couldn't help but feel a glimmer of satisfaction every time Alastair laughed at something he said.

These accidental encounters became less frequent when Alastair and Charles became a couple. Thomas tried not to feel annoyed that he'd barely spoken to Alastar all year. It wasn't like he was in love with Alastar, was he? Besides, Alastair was a year older. There was no point in falling for someone who was going to leave Hogwarts in a year.

"We just wanted to try out Matthew's new broom," Thomas said, trying to avoid an argument. "We didn't realise the pitch was booked,"

"The Lightwood Flamethrower," Christopher said proudly. Cordelia's eyes widened slightly.

"Does it work?" Cordelia asked, making her way towards the broom. Alastair looked a little put off, but then his eyes met Thomas'. Thomas could have sworn that Alastair's expression softened.

"We don't know yet," James and Matthew said, simultaneously. Both boys blushed. Cordelia smiled.

"Well," Cordelia said, her smile radiant. "Shall we try it out and see?"

#asks #prompt #the last hours #the shadowhunter chronicles #tlh #tsc #chain of gold #hogwarts au #fanfic #el writes #el writes fanfiction #thomastair #jordelia #blackdale #gracetopher #thomas lightwood #alastair carstairs

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