1 - 20 of 208 Works in Protective Agatha Harkness
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Agatha and Rio thought the hardest part would be admitting they loved each other. They were wrong. A year in and their lives have fully collided. Now they must learn the delicate art of blending their routines, balancing their ambitions and weathering each other’s flaws with tenderness… and patience.
The opening is behind them. Now comes the true test: the middle-game. And in chess or in life, the middle-game is where pressure rises, opponents reveal themselves and every move counts.
New challenges. New tensions. Same love worth fighting for.
*****
OR: Chess AU - Part II
Series
- Part 2 of The Rule of the Game
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Rio stared at her quietly, slowly tapping her foot against the tiled floor. A wrinkle formed between her eyebrows from thinking about Agatha's predicament, and the lawyer sighed, waving her hand dismissively.
"Stop trying to find a solution to this. It will give you a stroke."
"Marry me," Agatha was glad she had finished her drink because she would spill it all over the bar at the words. She blinked to regain her composure, her mind scrambling for a teasing remark to fire back at Rio, but her tongue could only form one word.
"What?"
"I'm not a stranger from Craigslist, and I know probably most psychopaths would say that, but I'm not a psychopath. So, marry me."
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Agatha learns about a clause in her mother's will that makes her unable to inherit Evanora's fortune unless she gets married by forty. While drowning her sorrows at a bar, she meets Rio, a PhD student working behind the bar to make ends meet, who proposes an insane solution to her problem. Or rather, proposes to Agatha.
Everything spirals out of control after that. -
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It’s your final year for your master’s program at Salem University. You never imagined THE Doctor Agatha Harkness would take you under her wing, but she has. Now you can’t help but wonder how you’re going to survive her.
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Hard Soil, Soft Hands by LabNotesAndFiction
Fandoms: Agatha All Along (TV), Marvel Cinematic Universe
25 Nov 2025
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Agatha lives alone on the cattle ranch she inherited too young, too stubborn, and too angry to ever leave. She's built a quiet life there, fence posts, coffee at dawn, hard work that leaves her too tired to want anything more. Until Rio Vidal shows up on the edge of her property with a field kit and a research grant.
Rio is calm, focused, quietly competent and clearly out of place in the dust and heat. But she stays. And Agatha, who’s spent her whole life guarding softness like it’s weakness, finds herself watching.
Through storms, silence, cattle, and coffee, they find something slow and steady between them. Something that doesn't need to be named to be real.
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So I wanted to write a groomy Agatha/needy sub Rio fic, and then I read Pretty Girl by Magnolie and I was like omfg this fic is the most epic groomy Agatha fic that was ever ficced. And I asked her if she minded me doing a similar premise and she said to go for it! So I'm going for it. Thank you to Magnolie =D
Rio is sentenced to 90 days of therapy. Agatha is the therapist.
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Agatha’s Wicked Opera Bootcamp by ardeneleftheria
Fandoms: Agatha All Along (TV), WandaVision (TV), Marvel Cinematic Universe
21 Nov 2025
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This is the sequel to The Opera of Silence.
If you haven’t read the first one, you might want to start there — it tells the story of how you were trapped between operas and magic, discovered your true self, and fell for the Witch Hunter herself… who, surprisingly, fell right back for you.Now, you and Agatha are together.
She’s the icon of the opera world, a living legend, and she’s decided to open an Opera Bootcamp for young performers — and, of course, you’ve been “invited” to join.Not because you don’t want to, but because you can’t help feeling worried.
Worried about Agatha’s playful, witchy ways… or maybe worried that this bootcamp is just another one of her excuses to spend more time with you.Still, at least you’re not alone — your friends from the last opera are here too, ready for another round of chaos, music, and mischief.
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Right from the jump, Agatha knew something was up with this kid.
Agatha Harkness is at rock bottom, and needs to get back on top, especially with the Salem Seven coming for her. So when a mysterious teen breaks her out of the Scarlet Witch's hex and wants to walk the Witches' Road, she has her plan: assemble a coven, steal their magic, and hit the road. Easy peasy!
Until the Road - which is not supposed to exist - opens for Agatha's new little coven. The mysterious teen is actually much more familiar than Agatha initially thought. And despite how much she shouldn't, she can't deny the connection she has with the son of her greatest enemy. If Agatha wants to make it to the end, she'll have to keep her enemies close, because the Road is more dangerous than she could have ever imagined.
Title and chapter names taken from "Abracadabra" from Lady Gaga.
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Your Laughter is Light (Your Caress Deep) by LilaLuna
Fandoms: Agatha All Along (TV), Marvel Cinematic Universe
13 Nov 2025
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The four of them lay there for a while longer, the bed filled with the cozy chaos of a young family on big days. Rio stretched her arms over her head. “I vote we skip all responsibility today and just stay here forever.”
“Tempting,” Agatha admitted, her hand drifting down to rest on their daughter's small back. “But I think someone would riot if he missed his first day of school.”
“I wouldn’t riot,” Nicky said indignantly, then paused. “But I’d be really, really sad.”
“Exactly,” Agatha said, kissing his forehead. “And we can’t have that.”
_ _ _ _ _ _
Or: New school year, new challenges, new adventures for the Harkness-Vidal family.
Series
- Part 6 of All Roads Lead to You
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When Rio Vidal transfers from Beauxbatons Academy of Magic to Hogwarts, she expects a quiet year. Sorted into Ravenclaw for her intellect and curiosity, Rio quickly becomes known for her sharp mind and quiet confidence. But everything changes when she crosses paths with a Slytherin student. It's curiosity that draws her toward Agatha Harkness, an enigmatic Quidditch star with a reputation for charm and danger. Rumors swirl about her family ties to dark magic, but there's something different behind her cold, blue eyes - something that seems to call to Rio's heart.
Drawn into a world of forbidden corridors and whispered secrets, Rio finds herself torn between logic and longing for the Slytherin student. In a school divided by houses, their connection becomes both a mystery and a rebellion.
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When Agatha uproots her life for a chance to save her chronically ill son, she finds herself in a new city, at a new hospital, under the care of a doctor she’s never met, but feels a strange sense of connection to.
Dr. Rio Vidal is brilliant, enigmatic, and deeply committed to her work. As Nicky begins treatment under her care, both women are forced to confront pasts they’ve tried to outrun, truths that don’t fit inside charts, and an undeniable pull that threatens to unravel everything they once thought they knew.
Some lines shouldn’t be crossed but some people make you want to risk everything.
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She lifted the flashlight up, and her brow furrowed in fright and mystification at the sight in front of her.
A pale, bleeding woman was sitting in the bathtub with her arm over her face, covering her eyes.
“Turn the light…” A wild growl. “Turn the light off!” the woman pleaded, as if she was being martyred by the light falling on her eyes.
“Who the hell are you?” Agatha yelled in response as she took a step forward, walking on the blood-smeared, cold floor while directing the sharp knife at the woman.
🝐
The lights were off; the house was dark and hushed.
The walls were marked with fresh, warm blood.
The heavy grunts and growls of agony were getting louder and louder.Months after the death of her son during a moonlit night in the middle of the woods, surrounded by the whipping wind—after seeing his weak, little body, marked harshly and smeared with viscous, ebon blood—Agatha would step inside through the ajar door, into the darkness of her house, and the soles of her feet would step on the same dark blood she couldn't get rid of because its reeking, rusty smell lingered, no matter how many times she washed her hands with bleach.
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Kinktober Day 31 - CNC + Fisting
Evanora Harkness has a plan to sacrifice you for a Samhain ritual, anything to get you away from her daughter. Too bad you aren't a virgin anymore.
Series
- Part 31 of Kintober 2025 ☞🎃☜
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Kinktober Day - 30 - Breeding + Fucking Machine + Degradation
Agatha needs you to rest, she doesn't care about a stupid holiday, she only wants to hold you.
Sickfic!Series
- Part 30 of Kintober 2025 ☞🎃☜
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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:
- 5
- Hits:
- 159
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Something counterfeit's dead by Acespace135
Fandoms: Agatha All Along (TV), WandaVision (TV), Marvel Cinematic Universe
28 Oct 2025
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What if Agatha was under Wanda’s spell for more than three years?
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Agnes has lost a son, and Agatha can’t look at Teen without painful memories.
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Agatha knew 3 things for certain.
1. She had power and loved to abuse it
2. death was inevitable
3. Rio Vidal could be hurtThe 4th things she knew without question, was that she is and always will be a witch killer.
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The adventures of Agatha and Billy by jadoue1999
Fandoms: Marvel Cinematic Universe, Agatha All Along (TV)
26 Oct 2025
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As time passes, the mentorship between Agatha and Billy changes and adapts to their goals. With Agatha's desire to shape Billy into a survivor more like her, it's only a matter of whether or not the son of the Scarlet Witch can adapt or not.
Chapter 1: Resurrection
This was her job.
Agatha had to teach Billy how to survive.
No matter how much he resisted.
He didn’t see it yet, he hadn’t crossed the same threshold she had after her coven’s betrayal but it would soon happen, she’d make sure of it.Series
- Part 3 of The corruption of Billy Maximoff
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Against Expectations by How_Deep_the_Grave
Fandoms: Agatha All Along (TV), WandaVision (TV), Marvel Cinematic Universe, Legion (TV 2017-2019), Marvel (Comics)
24 Oct 2025
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In 1963, Agatha Harkness was just doing her best to live a happy, settled life as a divorced single mother in the small town of Westview, New Jersey. She never expected that a weekend visit to see her godmother in New York City would lead to a new understanding of herself via a visit to a very certain sort of bar and a chance meeting with the entrancing Rio Vidal.
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“You don’t get to say that now. Not after every time I walked out of this office wishing I’d said something, and you just let me go.”
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Royal Affairs by SapphicSpells
Fandoms: Agatha All Along (TV), WandaVision (TV), Marvel Cinematic Universe
19 Oct 2025
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Princess Rio Vidal has everything a royal could want, except freedom. Trapped in her wing of the castle, her parents, Gomez and Mortica Vidal, forced a ring that suppressed her powers.She's left restless, lonely, and furious.
Enter Agatha Harkness: hired to be Rio's caretaker, barely older than her, smug, unshakable, and impossible to ignore. Rio is determined to hate her... but Agatha doesn't flinch at her tantrums, doesn't bow to her title, and worst of all, doesn't forget she exists.
What begins are irritation spirals quickly into obsession. Between bickering in the kitchen, smirks over tea, and the unbearable weight of Agatha's calm presence, Rio finds herself unraveling.
Agatha may be here to keep her under control. But Rio can't shake the feeling that she's the one being undone.