Askbox Fic
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Listing Series
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The Piercing AU by MercurialTenacity
Fandoms: Fantastic Beasts and Where to Find Them (Movies)
12 Mar 2025
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Summary
Gellert is always purposeful in the modifications he makes. Getting it just right is important to him, and everything is tailored to fit the pet in question. In particular he enjoys accentuating whatever parts of their personality they fear or dislike the most, transforming them until that’s the only thing left.
Percival was deeply uncomfortable with the softer, caring side of himself. Theseus struggled with his impulsiveness and baser desires. Newt feared being trapped and caged. Credence loathed the helpless submission he’d been forced into his whole life. Tina is caught between her compassion and her ambition.
Each piercing Gellert gives them works inexorably, irresistibly, until all that's left is a collection of lewd playthings.
Series
- Part 1 of Askbox Fic
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The Pregnancy AU by MercurialTenacity
Fandoms: Fantastic Beasts and Where to Find Them (Movies)
15 Jan 2019
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Summary
The first time Gellert changes him Percival nearly blacks out from the sheer panic. A casual spell and suddenly Percival’s body is shifting nauseatingly, the flesh between his legs seeming to melt and reform as his genitals change shape. He manages not to pass out, but he does retch. Gellert just tuts and slides his dick inside, spreading Percival’s new cunt open and penetrating his body in ways that were never meant to be possible.
Series
- Part 2 of Askbox Fic
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Fucktoy Credence AU by MercurialTenacity
Fandoms: Fantastic Beasts and Where to Find Them (Movies)
17 Jan 2019
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Summary
After Gellert wins he doesn’t have much use for Credence. The boy served his purpose and now he’s just a pretty face. He is very pretty though, and Gellert wants to reward those most loyal to him for their victory. He did promise Credence a place in his new world, after all. It’s just a little different than what Credence imagined.
Series
- Part 3 of Askbox Fic
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Bimbo Percy AU by MercurialTenacity
Fandoms: Fantastic Beasts and Where to Find Them (Movies)
14 Feb 2019
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Summary
Gellert is quite pleased with the earrings he crafts for Percy. They're sparkly, cute, and slowly siphon the thoughts right out of his head until his intelligence is all bottled up inside them. Once the gradual process is complete the earrings can be removed and Percy stays just as hopelessly dumb. It works better than Gellert ever could have hoped. Percy turns into such a cute little thing, dumb and bubbly and so very eager to make Gellert happy. It's adorable. He's nothing but a silly bimbo, ripe and ready to play with.
It's possible to reverse the process, but if instead the earrings are destroyed - well. Bye bye to Percy’s brain.
Series
- Part 4 of Askbox Fic
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The Petplay AU by MercurialTenacity
Fandoms: Fantastic Beasts and Where to Find Them (Movies)
23 Oct 2019
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Summary
Queenie is disgusted by Newt. He only cares about creatures, not human life. If people are suffering he doesn’t bat an eye, but some monster is in trouble and he doesn’t care who he hurts to go save it. He doesn’t care that he took her sister from her and turned her fiance against her. He doesn’t deserve mercy.
She decides that if he loves animals so much then he can live like one. It’s easy to see that he fears being trapped, so she makes sure that’s exactly how he feels.
Series
- Part 5 of Askbox Fic