1 - 20 of 127 Works in Merperson Percy Jackson
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A year of divine dysfunction by Astauria
Fandoms: Percy Jackson and the Olympians & Related Fandoms - All Media Types, Percy Jackson and the Olympians - Rick Riordan
22 Jan 2026
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Percy had agreed to spend the summer in Atlantis. His mother had been rather persuasive about it, and the growing tensions between him and Annabeth had convinced him that getting away from dry land and taking a step back would do him a world of good.
He had simply forgotten that he had never spent more than two days in a row in Atlantis and that, as a result, he knew nothing about its customs and traditions.
Not to mention that his father would probably see this as an opportunity to convince him to stay, this time for good.
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This story is an exercice, I'll post one chapter per day through the year !
A few warnings before you read, I'm mainly basing this on the timeline of the books, not the series. Because of this, Percy is now legal, Annabeth is working on architectural plans for Olympus, and I intended to focus on the undersea family. There is absolutely no Annabeth bashing in this story !
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Arsenic Blues by 11QueenSupreme11
Fandoms: Record of Ragnarok (Manga), Record of Ragnarok (Anime), Percy Jackson and the Olympians - Rick Riordan, Percy Jackson and the Olympians & Related Fandoms - All Media Types
20 Jan 2026
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❝If you return to your old world, we will follow you, and we will destroy everything you love. This is your home now.❞
Percy's world didn't teach her about how obsessive a god's love would be. But when she was accidentally transported to this crazy world, she was beginning to understand just how twisted it was. A god's love went beyond human comprehension. It was burning, unforgiving, and merciless. Too much for a girl like her to be the target of. But her newfound father, uncles, and gods from all kinds of pantheons were all too eager to force their oppressive love upon her mortal body.
Of all the things that could kill her, Percy didn't think it would be love.
( fem!percy x yandere!ror )
( percy jackson & record of ragnarok crossover ) -
When The Earth Quivered by love_amare
Fandoms: Percy Jackson and the Olympians & Related Fandoms - All Media Types, Percy Jackson and the Olympians - Rick Riordan
08 Jan 2026
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On August 18, 1999, a 6.7 magnitude earthquake struck the heart of New York City, shaking fear into the concrete foundations of skyscrapers. Torrential rain stuck windows, slapping at the glass and streaking down slowly. Nightfall creeped in slowly, giving the air a chilling ambiance that was barely perceivable.
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In a world where Percy finds out his powers and attributes earlier than planned on a field trip gone south and Sally decides to send him to Camp earlier than she and Poseidon planned, what comes after?
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Mer-made by TheBlueCupcake
Fandoms: Percy Jackson and the Olympians - Rick Riordan, Percy Jackson and the Olympians & Related Fandoms - All Media Types
30 Dec 2025
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Summary
Percy keeps having problems with sleep walking. He doesn't understand why or how. Every time he sleep walks it become harder and harder to stop him.
Series
- Part 3 of Immortal Percy Jackson
- Part 3 of Percy Jackson fics
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Aubade by Violettavonviolet
Fandoms: Percy Jackson and the Olympians - Rick Riordan, Percy Jackson and the Olympians & Related Fandoms - All Media Types
28 Dec 2025
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The ocean might be possessive, but so is the sun. And if Poseidon was careless enough to let Perseus out of his sight, well, that wasn’t Apollo’s issue, was it?
But Apollo had witnessed Hades abducting Persephone and the aftermath. He has little desire to replicate that particular story. So, through grit teeth, he lets Percy leave when the sun drowns in the ocean, leaving the sky dark and twinkling with stars.Perseus could be sure that the next time they met, he wouldn't leave again.
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or: Percy is born a god, but that doesn't mean the fates are any kinder. Apollo deserves a treat, doesn't he?
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The Mind Electric by genesisguidline
Fandoms: Percy Jackson and the Olympians & Related Fandoms - All Media Types
27 Dec 2025
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A strange looking boy arrives at an orphanage located at the outskirts of the city of Atlantis.
He is told that a soldier had found him in an abandoned village.
That is his first memory.
Sometimes there are flashbacks of a warm smile and a pair of soft arms, embracing him with all the love he can only dream of at night.
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Several decades later, a boy with dark hair and even darker eyes is born.
His mother names him ‘Nico’ and his father secretly visits him with a smile on his face.What if Percy jackson was born in the summer of 1935 and Nico Di Angelo was born in 18th of August, 1993.
What will change?
[Im going to post each story(I,II,III, IV…) with their own illustrations at the end of it]
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Magic & Maybes by JjdoggieS
Fandoms: Percy Jackson and the Olympians - Rick Riordan, Percy Jackson and the Olympians & Related Fandoms - All Media Types
24 Nov 2025
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From the very day she arrived in Olympus, Annabeth had been quite different from the other fairies. Nearly every other fairy in Olympus was born from a dandelion seed, blown from the first laugh of a baby, and with a touch of fairy dust, a new fairy or sparrow was born. However, when Annabeth arrived at Olympus, she wasn’t born from a dandelion seed, rather she, like every other governing-talent fairy, was born from a falling star that had been wished upon by a child. While other fairies and sparrows, when they were born, had to participate in the arrival ceremony that determined which magical talent the new member of Olympus was destined to have; it was just yet another thing that Annabeth didn’t have to do. That made her different. Due to the nature of her arrival, there wasn’t a question about what kind of magical talent she was going to have.
But that was all over twenty years ago.
Now, it was only six weeks before Annabeth was due to be crowned as the new queen of Olympus. And that was when everything seemed to start falling apart in an instant. Attacks from an unknown threat, Annabeth's failing magic, and a forbidden relationship threaten to ruin Annabeth's reign long before it even starts.
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Admirer From Afar by Gacha_R0b1n
Fandoms: Percy Jackson and the Olympians - Rick Riordan, Percy Jackson and the Olympians & Related Fandoms - All Media Types
13 Oct 2025
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"Hiding behind a boulder in the ocean was… Someone. They didn't seem to be in danger or distress.
From what she could see, he had wavy black hair like seaweed. When the sunlight hit him just right, his green eyes seemed to glow across the sea. If she squinted, she could see his skin was tan with a pigment of blue."
Or
Annabeth is training on the beach, and she uses the opportunity to hopefully catch more than just a glimpse of the figure in the water that was always watching her.
Series
- Part 2 of PJO Adventures in Ancient Greece
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Siren Noose by sirenowl
Fandoms: Percy Jackson and the Olympians & Related Fandoms - All Media Types
27 Sep 2025
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Unknown to most, Celtic folklore is not the only place one will find beings similar to Selkies and Swan Maidens. The Greek pantheon has their own Sirens. Aphrodite saw him in the dark of night, Seirene Perseus, scaled skin shining in Phoebe's moonlight. Aphrodite was fond of mischief, and upon seeing Phoebus' gaze upon the Destroyer, she saw the opportunity for what it was. With a flick of her wrist, the boys skin flew into the Sun's hands by the grace of Zephyros.
(basically i combined selkie/swan maiden coats and sirens and then made this all Apollo and Percy's problem)
‼️‼️THIS FIC IS ABANDONED AND GOING TO BE REWRITTEN ‼️‼️
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Temptation (I Can't Escape You) by anxious_tofu
Fandoms: Percy Jackson and the Olympians & Related Fandoms - All Media Types
14 Sep 2025
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The sea does not like to be restrained. Yet that's all Perseus has been for over 200 years.
Caged beneath the waves, Perseus longs for freedom. When he finally makes it above the surface, it's like a long forgotten dream from his childhood. Perseus embraces the warmth, staring straight into the sun.
What he doesn't realize is that the sun stares back.
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Boys just want to fight, Girls just want to help by Bubble_Berry15 for 11QueenSupreme11
Fandoms: Record of Ragnarok (Manga), Record of Ragnarok (Anime), Percy Jackson and the Olympians & Related Fandoms - All Media Types
01 Sep 2025
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What happens when Cu Chulainn and Percy travel through time to when Cu Chulainn was human, especially if they both go back to being humans? What if the men and women that Cu Chulainn wronged now have a way to get back at him? Through Percy.
If Cu Chulainn liked sleeping with other people’s wives so much he wouldn’t mind when it happened to him. Right? But what starts out as revenge turns into love, Cu Chulainn better hurry and get his wife home before they have half of Ireland tag along!
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Day 1: Pirate/Mermaid au
Percy continues his struggle until he breaks the water’s surface.
“—ed for weeks, just imagine how big a haul we g—“ the voice pauses abruptly, seemingly catching sight of Percy. Percy however, was trying to catch his breath. The thick air was burning his gills, along with whatever this material he’s stuck in has done to him. It’s certainly doesn’t help that the light of the sky is right in his face, what with the weather clearing.
“Holy shit,” a new voice mutters, “pretty… erm, I mean, that sure is a nice catch… shit that’s worse.” The last part is muttered for no one to hear. Percy continues his struggle against the mysterious bonds holding him captive in the air, the atmosphere feels like it’s suffocating him.
Or: Percy is exploring when he gets caught in a pirate’s fishing net and Luke, the ship’s captain, decides to keep him
Series
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Luke Is Now Engaged. by Ashboo
Fandoms: Percy Jackson and the Olympians - Rick Riordan, Percy Jackson and the Olympians & Related Fandoms - All Media Types
18 Aug 2025
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Luke is just trying to sail the seven seas as the thief he is, but unfortunately, he gets a little lost and sails right into Percy’s territory.
Series
- Part 1 of Lukercy Birthday Bash
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New River by aWhaleOfATale
Fandoms: Percy Jackson and the Olympians & Related Fandoms - All Media Types, Record of Ragnarok (Manga), Record of Ragnarok (Anime)
12 Aug 2025
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The worst day of Poseidon's life begins with Zeus calling him to say "YOU FUCKED MORTAL LOKI?!?!?!"
Through a twist of fate, Loki from Record of Ragnarok becomes Sally Jackson. An AU of Arsenic Blues by 11QueenSupreme11. Tags will be updated with the work.
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Caos político bajo el mar by MatD2000
Fandoms: Percy Jackson and the Olympians & Related Fandoms - All Media Types
22 Jul 2025
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Puede que muchos lo olviden, pero la superficie del planea es un 70% agua y pese a la creencia popular, Atlantis no es la única ciudad submarina en el mundo. Hay tantas o más ciudades de tritones bajo el mar que ciudades humanas en la tierra, cada una con sus respectivas culturas, entramados políticos y conflictos tanto internos como externos. Regularmente se convocan reuniones donde los principales líderes del mundo acuático se reúnen para discutir acuerdos políticos.
Poseidón asiste frecuentemente a estas reuniones. A veces para recordarles quien es la fuerza dominante a sus competidores, a veces para escapar de su molesto hermano y a veces simplemente porque quería divertirse. Este año no sería la excepción y después de las victorias del Olimpo (y especialmente las suyas y las de sus hijos) en las ultimas guerras se sentía de un particular buen humor. Estaba seguro que este era el momento perfecto para que su hijo deslumbre a sus súbditos y reciba el reconocimiento que merece.
Series
- Part 2 of Un mundo complicado para todos
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ATLOP: Weight of Air by WardofWinters (QoLife)
Fandoms: Percy Jackson and the Olympians & Related Fandoms - All Media Types
09 Jul 2025
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Two summers have passed since Percy was introduced to the Camp and officially entered the Godly world. He’s faced Minotaurs and Gods, Curses and Kyklopes, fought an invasion and retrieved artifacts of immense power. But now he must face a new threat: losing Annabeth.
Percy must navigate a normal school year with the future of the world up in the air, both sides scrambling to account for an unexpected player returning to the field. Things don’t get any better when two new demigods enter the scene, with gold eyes that remind Percy very much of a figure from his dreams. And everything might go downhill when Artemis is captured and a quest is declared, a quest that will decide the Fate of the world one way or another.
Series
- Part 3 of To Make a Legend
- Part 8 of Ongoing Fics
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Fisherman's Bounty by DeltaFell for Skywalking_through_life
Fandoms: Percy Jackson and the Olympians & Related Fandoms - All Media Types, The Heroes of Olympus - Rick Riordan
18 Jun 2025
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Captain Annabeth Chase is one of the most feared names on the high seas. Legend has it she gained her first command after shooting her ex-lover dead for abandoning her for another woman. Renowned for her aim with the pistol and skills with a blade, experienced soldiers will drop their blades and run when they see gray sails on the horizon.
Percy Jackson, son of a long line of fishermen, is pretty much a nobody in his hometown. He brings in an average bounty day in and day out, and most would struggle to tell you anything more exceptional about him other than that he lives alone with his mother and younger sister at the cliffs on the edge of town.
Neither story is truth.
Series
- Part 1 of Sea Salt In Their Blood
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Sef loved the Water, always had, but Mama had one Rule that she instilled into her until it was a Law of her World, unchangable. “Never—Never!—bleed in the Sea or Rivers, or swim in them when you’re hurt. If you do, the Sea will smell your Blood, and take you away from me forever.” Her Mother said. “Just like it can take me.”
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Tides of Soul's (pjo x ror) by flowersakura
Fandoms: Record of Ragnarok (Anime), Record of Ragnarok (Manga), Percy Jackson and the Olympians & Related Fandoms - All Media Types, Percy Jackson and the Olympians - Rick Riordan
18 May 2025
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Summary
From the day he was born, Perseus "Percy" Thalassos Jackson knew he was not just himself. Other voices echoed in his mind, guiding him and revealing concepts about the world around him. These voices sometimes took over, especially when Percy connected with something beyond himself. He is the main intermediary, the link between everyone, and yet, he does not know who he really is.
After his birthday, Percy decided to go away and travel, seeking some time for himself. However, what was supposed to be a simple escape turned into a disappearance. What started as a kidnapping to Rome became a journey to a completely different universe.
Good side: He discovers more about his inner voices.
Bad side: The gods of this new universe don't want to let him go, and their own gods are ready to fight for their hero.
Maybe he should have stayed home...
( percy jackson & record of ragnarok crossover )
Oh, have you heard of Arsenic Blues? If you haven't, I highly recommend it! It's by 11QueenSupreme11 ^^ -
Heat Of The Moment (Stuck In A Rut) by JaimeBarnes
Fandoms: Percy Jackson and the Olympians - Rick Riordan, Percy Jackson and the Olympians & Related Fandoms - All Media Types
17 May 2025
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Summary
Just a story about omega Percy Jackson, and his alpha, Apollo.
Percy was born with a mer form, Apollo was gifted a mer form.
Series
- Part 1 of Alpha Apollo And Omega Percy