#crossovertw

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My submission for the Sterek Secret Santa 2015 Gift Exchange, with the prompt of Harry Potter AU, with Slytherin!Stiles and Gryffindor!Derek.

Excerpt:

The Potions room was dark and abandoned at this hour of the night, a single ball of lumos floating overhead to light Derek’s workstation. Derek concentrated intently, muttering the list of complex steps to himself. This was the most dangerous part of the process, one wrong move and —

“Oh, hey! It’s you!”

The bright voice startled Derek, making him fumble the vial of powdered wolfsbane in his hand. He dropped the vial, caught it in midair, and then watched in horror as the resulting jolt sent a puff of pale purple dust into the air.

“Hey, Derek! What are you doing here so late? I thought everyone was gone —”

Stiles was babbling on, apparently oblivious to the calamity he had caused, as Derek carefully stoppered the vial with a cork and pulled off the leather gloves he had been wearing. He wasn’t sure exactly what was going to happen, but it wasn’t going to be good.

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Summary: Of course, the transfer kid gets mentioned because transfers are rare, but the news isn’t that exciting. In fact, according to Laura, no one even seems to know his first name. The only thing anyone has really figured out about him is that he’s American. And that’s not exactly hard because he obviously has an accent. The only thing Derek really knows is that, despite other reports, he seems quiet enough, prefers to work alone, and has the most amazing shade of amber eyes that Derek has ever seen. Not that he’s looking. Obviously. OR: A Harry Potter AU where Stiles is a Slytherin transfer student and Derek is the grumpy Gryffindor who falls in love with him. There are also potions, elves, and falcons involved. Oh, and illegal use of magic. Obviously.

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“Are you sure you’re a Gryffindor?” Derek says.

“The hat did try to put me in Slytherin,” Stiles shrugs. “But I asked for Gryffindor, so," and he drains his drink, crunching on the bits of syrupy ice at the bottom.

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There are things that go bump in the night, make no mistake. These are the dudes that bump back.

Notes: hellboy au

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When potions prodigy Stiles blows up one cauldron too many during one of his ‘experiments’, he gets assigned to making Wolfsbane Potion for the new groundskeeper. Which wouldn’t be so bad if the guy wasn’t you know, terrifying.

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Fact: Derek Hale hates Potions.

There are a number of reasons why this is so. For one thing, Potions is really not Derek’s strong point. (There’s a reason he’s banned from using the kitchen at home.) For another, the Potions classroom is dank and dim and spending more than an hour down there at a time makes Derek’s skin crawl.

And then there’s Stiles Stilinski.

He doesn’t need an explanation.

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The first thing Merlin Emrys thought when he was born, was "Oh, hell no."

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The second time Derek and Stiles meet is in a gay bar. A wizarding gay bar. It's very sparkly.

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“Spit it out, Stiles,” Derek says impatiently.

“I can kind of heal myself. Sometimes.”

A Teen Wolf/Addams Family crossover where Stiles has some inherited talents he's been keeping secret.

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A wizard, a wolf, and a boy. Or: spells and magic can never truly substitute for strength. (Harry Potter AU, in triplicate.)

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“My heart,” Derek says, trying not to blush when Stiles gives him a wide-eyed look of surprise. He clears his throat again and glares when Cora hides a grin behind her sketchbook. “Touch my heart.”

“That would be the sappiest thing you’ve ever said to me if, y’know, you didn’t mean it literally,” Stiles tells him with a lopsided grin, already reaching.

“It’s still pretty sappy,” Cora says, rolling her eyes when Stiles flinches at her voice. “Hell, if you really want some sap, I can cut it out for you.” When Stiles just stares at her, vaguely horrified, she sighs and elaborates. “That way you can tell everyone that you’ve held his heart in your hands.”

“Oh my god, Cora, go away,” Derek groans, shaking his head.

NOTES: an Addams Family crossover, lots of fun

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Stiles names his ship Malum Lupus, because he has a bad sense of humor five centuries out of date. No one’s ever called him on it, but then, Latin is a language deader than most and twice as obscure. He calls her a whole host of ridiculous nicknames, although the one that everyone else prefers is simply Wolf.

Maybe that’s what makes it so fitting that fugitive Derek Hale winds up in his cargo bay, half dead and more than a little feral.

Rating: General Audiences

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BEACON, also known as the Bureau of Enforcement, Armed Combat and Offensive Neutralization (it sure is offensive, Stiles thinks) has established the Avengers Initiative in order to, uh, fight crime. And rampaging alien hordes. And stuff.

Stiles is Iron Man. (Scott is Rhodey. Oh, Scott.)

Derek is the Hulk.

Lydia is Black Widow.

Allison is Hawkeye.

DANNY IS CAPTAIN AMERICA WHO EVERYONE LOVES.

Jaxon is a creepy alien dude with Daddy issues. And also Danny issues. Daddy Danny issues. Danny is justifiably alarmed.

Erica is Pepper Potts, except with more of an inclination toward bodily harm.

Chris Argent is the head of the Avengers Initiative. He is also fierce. He is also a silver fox. Hot damn.

And somehow, in the middle of all this chaos, the Hulk and Iron Man find love.

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Stiles is Catwoman.

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The thing is, Stiles must have a daemon.

  Everyone has a daemon.

  Well, except things. Things don’t. But that's what they are. Things. Not human. Monstrous.

  So Stiles must have one. It's just that Derek's never seen it.