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creation of the sun by lesbiansevika
Fandoms: The Locked Tomb Series | Gideon the Ninth Series - Tamsyn Muir, Life is Strange (Video Games 2015 2017 2024 2026)
30 Apr 2026
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Summary
The Locked Tomb au starring Gideon and Harrow in modern, Life is Strange style setting where they grew up in an Australian Church before Gideon was casted out for suspected heresy (yes it was actually Harrow). When they reunite after years apart since their childhood, both have hardened in their years apart, Gideon from juvie and Harrow from John Gaius' weird forest cult. Much like the original series, this is veryyyyyy lore-focused, though I do indulge in some freak4freak Griddlehark when I can (they do have priorities)
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these connections are soul deep by daydreamHuntress
Fandoms: The Locked Tomb Series | Gideon the Ninth Series - Tamsyn Muir
30 Apr 2026
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Gideon accidentally found out she has a second soulmate at the bar last night. Harrow's the one making a big deal out of it!
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[F4F] JOI for a Good Girl by jarofbeees
Fandoms: The Locked Tomb Series | Gideon the Ninth Series - Tamsyn Muir
29 Apr 2026
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"Harrowhark, dear, we have got to get you laid."
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After the worst breakup, Harrow is in desperate need of an outlet. Her annoying friend Dulcinea insists on trying an upscale escort service to work out the worst of her frustrations. She fails to mention that she's been hopelessly addicted to an anonymous woman with a voice like honey, who gives the best explicit ASMR.
And then there's the security guard with the ridiculous hair.
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The Gaius Archives by FlyingUltraCar
Fandoms: The Locked Tomb Series | Gideon the Ninth Series - Tamsyn Muir, The Magnus Archives (Podcast)
27 Apr 2026
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The new Head Archivist of the Gaius Institute, Harrowhark Nonagesimus, is trying to organize and create audio versions of statements given regarding alleged supernatural encounters.
A sort-of retelling of The Magnus Archives but with the characters of The Locked Tomb.
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Art Archive! by DragQueenSteveRogers
Fandoms: The Locked Tomb Series | Gideon the Ninth Series - Tamsyn Muir, Beetlejuice - Perfect/Brown & King, Hazbin Hotel (Cartoon), Original Work, Five Nights at Freddy's, Mouthwashing (Video Game), Beloved - Toni Morrison, Christian Bible (New Testament), Christian Bible (Old Testament)
27 Apr 2026
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Summary
Just a place to put my art (including the old stuff, because I like to know I've evolved).
NO AI!
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Mother of the Bride by aPyrrhicVictory
Fandoms: The Locked Tomb Series | Gideon the Ninth Series - Tamsyn Muir
26 Apr 2026
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Summary
Pyrrha’s life is finally pretty good. Her dead ex’s kid, Gideon, is getting married, and Pyrrha’s own relationship with Camilla and Palamedes is progressing well.
This does nothing to soothe her midlife crisis, however.
Series
- Part 3 of Pyrrha/Camilla/Palamedes Modern AU
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The Body (Oh how it follows) by Ribbiscuits
Fandoms: The Locked Tomb Series | Gideon the Ninth Series - Tamsyn Muir
26 Apr 2026
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Summary
By the time the precinct had hired Harrowhark for her consulting services there had already been six murders over the span of 6 months, roughly a murder a month. Almost like the killer was keeping a schedule.
They hadn’t deviated from their time frame, always kept steady. It was unnerving the amount of restraint they had in that regard.
The public were demanding answers, as the body count steadily rose with no suspect in sight. They wanted this monster put behind bars, they wanted justice.Or
Gideon is a detective working on a case that has to do with a serial killer and Harrow is hired on as a consultant to help solve the case.
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Gideon and Harrow share a passionate kiss by kestrelgreen
Fandoms: The Locked Tomb Series | Gideon the Ninth Series - Tamsyn Muir
25 Apr 2026
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Summary
That's it. They kiss. I do not describe the kiss in great detail so you might want to read another fic for that.
Set in a very vague AU after NtN.
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Gideon the Nought by k_disasterwoman
Fandoms: The Locked Tomb Series | Gideon the Ninth Series - Tamsyn Muir
25 Apr 2026
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Gideon and her necromancer Harrowhark have come to the First House after being summoned by the Emperor, who is in need of more Lyctors.
There's nothing weird going on.
Definitely not. -
The Most Alive I've Ever Been/Kiss Me and I Might Drop Dead by snailfl0wers
Fandoms: The Locked Tomb Series | Gideon the Ninth Series - Tamsyn Muir
24 Apr 2026
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Summary
Harrowhark poked a finger into Gideon’s forearm. “Radius,” Harrowhark mumbled, nonsensical, before wrapping her little hand around to grip Gideon’s arm tightly, pressing her fingers into the underside of Gideon’s arm below her elbow. Her nails were sharp where they dug into her skin. “Ulna.”
“What-” Gideon rasped. She cleared her throat. “What are you doing?”
Harrowhark grinned, and her eyes were two dark wells Gideon wanted to throw wishes into. “Showing you how much I know about human anatomy,” she said, her voice half ironic. She was definitely a little bit making fun of Gideon, which may or may not have been making Gideon definitely a little bit weak in the knees.
“Your hands are really fucking cold,” Gideon whispered, because they were, because she didn’t trust herself to say anything else.
Harrowhark leaned in, grinning like a shark. “That’s because I’m dead.”
“Fuck.” Gideon loved goth girls.Series
- Part 1 of Cold Blooded
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Some Other Town, Someone Else's Life by smogwife
Fandoms: The Locked Tomb Series | Gideon the Ninth Series - Tamsyn Muir
24 Apr 2026
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Summary
"Some people take the view that we happen by accident. I think that there is something much deeper, of which we have very little inkling at the moment." - Sir Roger Penrose
“Existence is a fact. We are all here and now. Nonexistence is an abstraction of the human mind... This is the reason I think that a [cyclic universe], which has always existed, is simpler than one that has been created." - Nelson Pinto-Neto
Somewhere deep in the Mojave Desert, a conservationist remembers a life she never lived and a woman she’s never met. When a mysterious redhead blows into town, memory begins to bleed across lifetimes and reality becomes more idea than fact. Her only salvation lies in the golden eyes that undid her in the first place.
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Or: We're so post-canon we're in a new universe because so help me Jod they will have their happy ending.
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dios, ad hoc by callakay_writes
Fandoms: The Locked Tomb Series | Gideon the Ninth Series - Tamsyn Muir
23 Apr 2026
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Summary
The year is 1349, and the Black Death is running rampant throughout the western world. In a small, decrepit convent in East France, a group of travelers must take shelter for the upcoming months.
Or, the medieval quarantine Canaan House au that no one asked for but I wrote anyways.
Featuring: Religious guilt! Too much Latin! Gideon being gay for everyone! Religious psychosis! Cool knights! The threat of bubonic plague! 2020 quarantine references! Rampant abuse within the church! (John Gaius being a representative of that within the Catholic Church!)
Girls kissing! Murder! Suspicious corvids! -
Can't Get You Out of My Head by writteninblack
Fandoms: The Locked Tomb Series | Gideon the Ninth Series - Tamsyn Muir
22 Apr 2026
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Summary
I can’t believe this is what you’re thinking about at a time like this.
Gideon looks around. The entire room is empty and she doesn’t hear any footfalls in the hall on the other side of the door. Her head whips around again, and she finds herself alone.
But perhaps, not quite…
“Harrow, it's you,” Gideon whispers through her lips, and the sound is bittersweet. Gideon’s words but Harrow’s own voice.
Found the nonexistent magazine you left behind.
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Gideon manages to find a moment alone amongst the melee to do her preferred self-soothing activity. But she isn't truly alone...
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S. lepidophylla by jarofbeees
Fandoms: The Locked Tomb Series | Gideon the Ninth Series - Tamsyn Muir
22 Apr 2026
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Summary
"I do have a suggestion," John said, coming to take a seat beside her. She sat up and squared her shoulders. When John wanted to sit beside her, it usually meant the conversation coming next would leave her agitated and tired. "I think you need to produce an heir of your own."
Kiriona stared. Seconds of silence passed by with only her wide eyes and John's impassive glance. Finally, she burst into raucous laughter, going so far as to slap her knee.
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Gideon Nav's 57th escape attempt works, but she stumbles right into God. Divinity kind of sucks. At least John lets her pick her own wife.
Harrowhark doesn't get a choice.
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Nova the Ninth by Silver_styx
Fandoms: The Locked Tomb Series | Gideon the Ninth Series - Tamsyn Muir
22 Apr 2026
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Summary
Harrow Nova refuses to be second best, and sneaks upon the shuttle to Canaan House. Her necromancer couldn’t care less about almost anything, and seems content to take a vacation on the First. But as the bodies start to pile up, they might be forced to work together.
A Nova AU set along the rough canon of GtN
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why am I not wherever you are? by harrowharksdiylobotomy
Fandoms: The Locked Tomb Series | Gideon the Ninth Series - Tamsyn Muir
18 Apr 2026
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Summary
Kissing Harrow was its own act of worship. She had never been one for prayer, firmly rejecting the sorrowful doctrine of Drearburh. But this? Kneeling in supplication, her breath and body heat mixing with the Ninth incarnate. It was holy.
Gideon and Harrow are both alive, in their own bodies and finally have a moment of peace. They kiss about it.
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Purification Rite by Mossmossmoss77
Fandoms: The Locked Tomb Series | Gideon the Ninth Series - Tamsyn Muir
17 Apr 2026
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Summary
Gideon is exploring an old bunker of the Nine Houses doomsday cult and notices she needs to pee. She settles on a decidedly interesting and vindictive spot to do it. That's about it.
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Mea Culpa by RevenantAleksi
Fandoms: The Locked Tomb Series | Gideon the Ninth Series - Tamsyn Muir
16 Apr 2026
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Summary
Is this how it happens?
[Mea culpa (noun). A formal acknowledgment of personal fault or error.]
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Girl in the War by DullestProdigalSon
Fandoms: The Locked Tomb Series | Gideon the Ninth Series - Tamsyn Muir, Kingkiller Chronicles - Patrick Rothfuss
15 Apr 2026
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Summary
Backstory for Your Name on the Wind, in which we learn that Camilla and Gideon served in the Cohort together, and both received an order they couldn’t follow.
Series
- Part 4 of Your Name on the Wind
- Language:
- English
- Words:
- 5,986
- Chapters:
- 1/1
- Kudos:
- 2
- Hits:
- 23
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Gideon the Ninth Has Period Cramps by chameleon_things
Fandoms: The Locked Tomb Series | Gideon the Ninth Series - Tamsyn Muir
14 Apr 2026
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Summary
A fluffy miniscule moment that could take place during the first book in which Gideon the Ninth is sadly waylaid by the curse of period cramps, and a certain Harrowhark arrives to judge, sass, and eventually comfort her.