1 - 20 of 7,471 Works in Agatha Harkness
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When Agent Vidal gets a call that they have a case in Westview, New Jersey, that has some connection with a gruesome case she has been trying to close for four years now, she jumps on the plane from Langley to get there as soon as possible.
She expected almost anything, these people were the worst of the worst. She didn't expect the witness to be her stranged wife, who had disappeared from her life with their child and pregnant three years ago.Updates: Saturdays. (If the Gods allow it)
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You in My Lap, Me in the Moment by LabNotesAndFiction
Fandoms: Agatha All Along (TV), Marvel Cinematic Universe
29 Oct 2025
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A quiet night turns warm, slow, and certain. Agatha finds herself back where she always ends up: in Rio’s lap, caught between soft laughter and steady hands, learning the comfort of staying right there in the moment.
Series
- Part 2 of Kinktober 2025
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“I did not enter this marriage under grounds of love or other frivolous feelings,” Rio said, voice steady. “It was an act of duty. Nothing more.”
Agatha tilted her head, folding her arms.
“You paid quite a high price for ‘nothing more’, Your Majesty.”Rio’s jaw twitched. Her eyes sharpened into something dangerous. Controlled but cracking.
Agatha felt it. The shift, the restraint, the want.
She wanted to break it.
She wanted to own it.OR
With the king dead and the kingdom on the brink, Princess Agatha is placed on the auction block — a pawn to be bartered for power, her hand sold to the highest bidder.
She expects a life of misery. Obedience. Silence.
She does not expect Rio Vidal. The cold, revered queen of a neighbouring realm. A warrior cloaked in shadows and secrets. A woman who seems determined to keep her at arm’s length.
Their marriage is a weapon. A wall. A vow.
But no walls are strong enough to stop what is destined to grow between them.
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I've Been Feeling this Familiar Feeling by WiseGirlEverdeen
Fandoms: Agatha All Along (TV)
29 Oct 2025
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Summary
“Well,” she started, “I am here for a reason. My mother’s making me go to another one of those stupid galas…” she grimaced, “…and I may have told her that I was bringing someone with me.”
Okay, what does that have to do with me? Is this her fucked up way of rejecting me? I mean I know she’s a sadist, but this feels low, even for her. I mean—
Rios train of thought is cut off by an impatient huff from Agatha, a flicker of what seemed to be insecurity flashing across her features before she schooled them into her signature smirk.
“I told her I was bringing a boyfriend, so what do you say, handsome? Wanna be my boyfriend?”
Oh.
or
Agatha's back, and she needs something from Rio
Series
- Part 2 of Garden of Eden (AgathaRio Vampire AU)
- Language:
- English
- Words:
- 2,595
- Chapters:
- 1/1
- Kudos:
- 5
- Hits:
- 89
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Kinktober 2025 by hopelesslygaysstuff
Fandoms: Marvel Cinematic Universe, Marvel, The Avengers (Marvel Movies)
29 Oct 2025
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Welcome to my second Kinktober! This year, I'll be writing about even kinkier topics. Once again, be mindful of the warnings. Reminder that these fics are purely fantasy, and you should not engage with kink unless both parties consent enthusiastically and you have done research. Remember, Safe, Sane, and Consensual. Don't like, don't read. ♡
Check out my Tumblr @hopelesslygaysstuff for the full Masterlist for this year's Kinktober, with all the topics and pairings for each day ◡̈
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Agatha’s not exactly sure how she got roped into going to Las Vegas Pride. All she knows is that she’s here now, looking into the wanton eyes of an Elvis impersonator, wondering if anyone’s ever fallen in love over a slot machine.
or, the vegas meet cute slash smutty romp that turned out way more romantic and corny than i'd planned.
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Head of House Harkness, Tremere renegade and unapologetic blood witch Agatha Harkness has power, freedom, influence—and an impressively long list of enemies who want her finally dead.
When she's framed for a string of mysterious murders and given three nights to clear her name, Agatha must work with the last person she expected to see again—Rio Vidal, Gangrel ancient and her ex-lover who also has every reason to let her burn.
The truth is out there. So is the past. And neither stays buried for long.
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Or: a Vampire the Masquerade AU.
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Hanging by a Thread by How_Deep_the_Grave
Fandoms: Agatha All Along (TV), Marvel Cinematic Universe, Marvel (Comics), Legion (TV 2017-2019)
29 Oct 2025
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Summary
Agatha Harkness and Rio Vidal have been divorced for a year, and both of them have moved on with their lives and careers. The only thing still tying them inextricably together is their son Nicholas... And maybe the love that neither of them can truly let go of.
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“Hi,” Agatha said, finally breaking the silence.
“Hey.” They gave each other a flash of their own smile like it wasn't something they hadn't seen for a very long time.
“What are you doing here?” Rio's brow knotted in frustration by Agatha's question.
“Why aren't you dancing with the beautiful ladies out here on the dancefloor?”
Her expression softened in Agatha's words.
“Well, because I already am.”
“You must be so blind then,” Agatha retorted. “Glasses are a thing these days love, even people with good vision wears them.”
Rio grinned at that. Love.
“You must be so lucky then,” Rio counters, “to be dancing around with a woman like me.” Rio hoped to earn that beautiful snort from Agatha, instead a warm smile bloomed in Agatha's face.
“Yeah. I’m so lucky,” Agatha sounded soft as she smiled up to Rio.
OR:
They reunite at Alice's party and fuck each other.- Language:
- English
- Words:
- 4,645
- Chapters:
- 1/1
- Hits:
- 29
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Agatha Harkness, the editor-in-chief of the world’s most prestigious physics magazine, was not the one for romance. Romanizing a chemical reaction ignited by arousal was not pragmatic from any standpoint. Eventually, she made peace with it and stopped dreaming, writing it off as an unrealistic fantasy. And then she met Doctor Rio Vidal. A brilliant visionary who was attempting to turn Einstein’s wormhole theory into a navigable highway between universes. A genius dreamer likewise Tesla. An artist who was sculpting probability and sketching doorways between dimensions in Planck-length strokes. Like Schrödinger, she held contradiction in her hands and dared to call it beauty. Like Feynman, she laughed at the chaos, tracing elegance through the noise. Her mind moved in superpositions—every thought a flicker between genius and madness, observation and collapse. Hearing her discuss her work was like witnessing decoherence, as if the cosmos itself was aligning with her particles.
And in retrospect, Agatha didn't stand a chance.OR Nerd4Nerd [in a way] fic.
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After winning her first Oscar, Rio ends up at an after party, where she and Agatha get a little tangled up in one of the bathrooms
Kinktober Day 6: Dry Humping/Clothed Sex
Series
- Part 6 of Agathario Kinktober 2025
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"Woah! Agent Belova, you can let her go; she's with us."
"Who are you?"
"Alexander Pierce, CIA. We sent her in here to kill this guy. We didn't know you guys were already on top of it."
"She attacked my partner."
"It's fine, it was an accident, I hope at least,"Series
- Part 3 of In another life
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Time doesn't equal forever.
Rio takes her son back
Series
- Part 6 of Angstober 2025
- Language:
- English
- Words:
- 806
- Chapters:
- 1/1
- Kudos:
- 4
- Hits:
- 71
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All the Right People, None of the Right Feelings by KingGregII
Fandoms: Agatha All Along (TV)
29 Oct 2025
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Eight years as a professional matchmaker had taught Agatha something cruel: people didn’t marry for love. Not really. They married because the boxes were checked. Agatha helps people find love, and she is good at it. But when it come to her personal "love life", let just say things are complicated.
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Or the Materialists (2025) AU.
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the Souls murmur about a witch’s soul– so vibrant, so fiercely alive that no spell, no curse, can contain it. Instead of death’s finality, the spirit witch devours power itself. Rio Vidal must intervene. But as she steps into the chaos, The living magic refuses to be subdued, and the lines between hunter and hunted blur in ways she never anticipated.
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"How do I kill that woman?" Death inquired of Lilia, who somehow seemed to dwell beyond the confines of her own realm. The divination witch chuckled softly, her gaze playfully mocking as she relished Rio’s confusion and uncertainty."I thought it was your job to collect souls," Lilia questioned, confusion etched across Rio’s face.
Lilia’s laughter echoed again, shameless and teasing. "I’ve tried killing Agatha," Rio said with murder apparent in her tone, "but her soul just glows—reviving her instantly. It’s as if I’m feeding her power, not ending her."
Death spat, her fingers dangerously playing with her dagger. "How do I kill that—"
Lilia cut her off, amused by Rio’s frustration. "You can’t kill that woman," she declared, her voice dripping with infliction. "Her body is a vessel—of death and life alike."
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Agatha Harkness, daughter of the evil and corrupting vampire Evanora Harkness, goes out in search for fresh blood when she stumbles upon the infamous vampire hunter, Rio Vidal. Will Agatha be able to let go of this captivating feeling, or will she chase it, and be left with the bound-to-be consequences?
or
agathario vampire x vampire hunter au
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- Language:
- English
- Words:
- 0
- Chapters:
- 1/1
- Kudos:
- 6
- Hits:
- 163
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Day twenty-nine of Flufftober - Bookshop AU/Library AU
Agatha runs a cute little bookshop, and her favorite customer is this very dark and mysterious woman.
Series
- Part 29 of Flufftober 2025 :3
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After regaining some freedom, Rio Vidal has been trying to make wiser choices. Of course, she won't check out a married woman. Or kiss her in the elevator. Or have an affair with her. No, she won't. Or will she?
Or Agathario Bound (1996) AU.
Series
- Part 1 of The Moon (Reversed)
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the practical physicist's guide to marriage by astarlesssea
Fandoms: The Fantastic Four: First Steps (2025)
29 Oct 2025
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Summary
It’s really no wonder all of his colleagues assume they’re together.
They’re best friends. Always each other’s plus one. Whenever he has a speech or is in any kind of spotlight (which is quite frequently given, since he is the leading physicist who brings in the majority of funding), he always asks her to come along. Just like he’s the one she drags to the movies and shopping and whose shoulder she cried on when she decided to retire, while he rubbed her back and told her he supported her in whatever she chose to do.
There isn’t a single universe where she can ever imagine being without him. She doesn’t even know where she’d be in life if she hadn’t met him.