Mer Transformation
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Men and Monsters by Blood_Seraph
Fandoms: Pirates of the Caribbean (Movies), Pirates of the Caribbean: Dead Men Tell No Tales
08 Dec 2018
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"Whoever fights monsters should see to it that in the process he does not become a monster."
In the aftermath of the Tridents destruction, Salazar finds himself cursed with a new hideous form and forsaken by his crew for abandoning them. Now alone in a world devastated by Calypsos rage, he finds a glimmer of hope with a witch who is not all she seems to be. But neither is anyone else who lives upon her strange Isle. But finding a way to reclaim his humanity may be the least of his problems... As one of Jacks most dangerous enemies returns, and he's intent on destroying everything and everyone in his way.
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You're Not Alone by B_O_M_B for Tunafishprincess2 (tunafishprincess)
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia
31 May 2024
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“Let’s go to the boat.”
When Izuku thought back on everything that happened, he thinks that was the start of it. A quiet suggestion by someone who just wanted to help his little brother.
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Tenko and Izuku were trying to get away from the world that rejected them, only to be captured by a powerful mer called All for One. The dangerous sea creature is intent on keeping what's 'his', certain that they hold the key to him finally taking back a power he has long coveted. As he works to turn brother against brother, and they become increasingly trapped not only in their new forms, but the magic slowly making them forget their human selves, Izuku tries to find a way to save them both and reunite with his mother back on land. -
desperate measures by quinnpriv1 (orphan_account)
Fandoms: Twisted-Wonderland (Video Game)
26 Jun 2023
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Riddle might find Floyd unnerving, but he’s not heartless enough to leave Floyd on the floor when he collapses in the library.
Series
- Part 5 of twst threads & shortfics
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Alignment (The Call of My Future Self) by IAmTheShpee
Fandoms: Danny Phantom, Batman - All Media Types, Robin (Comics)
07 Feb 2025
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A pair of young sirens has been found attacking League ships, so it's up to Damian to exterminate them. Expecting an easy fight, Damian is shaken when a face he thought he'd never see again returns.
Series
- Part 7 of Demo's Febuwhump 2025
- Part 24 of Demo’s Mer Obsessions
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On Kyber Tides by TheSilverQueen for sharksonfire
Fandoms: Star Wars - All Media Types, Star Wars Prequel Trilogy
12 May 2025
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“I beg your pardon?” Qui-Gon says.
“I said, I am hereby commandeering the Riverstone and its crew – including you, Captain Jinn – to assist me on my search for the Wellspring of Youth," Senator Palpatine repeats.
Captain Qui-Gon Jinn of the Riverstone already isn't fond of politicians. This lack of fondness only grows stronger when Senator Palpatine commandeers his ship by royal edict to go wandering about in the abandoned wilds of Coruscant searching for a legendary Wellspring of Youth that probably doesn't exist, especially when he insists that part of that search involves kidnapping a merman.
Bookmarks which have used it as a tag:
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Lewis McCartney and the Terrible Horrible No Good Very Bad Week by AlmightyCamelot (orphan_account), MarriedToBigfoot
Fandoms: H2O: Just Add Water
22 Oct 2020
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Lewis is having a difficult week. There's drama among his friends, his brothers are being annoying, and in a flawed moment of scientific research he managed to fall into the Moon Pool on a full moon, and now he's got to deal with being a merman on top of everything else in his life. Now if he can just keep his friends from finding out until the time is right.
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On their boys only camping trip to Mako Island, Cam, David and Zac discover a mysterious cave. Following their friend that is being called into it by a strange force the three of them fall in the magical moon pool.
What will happen when there is not just one merman but three?
ON HIATUS!
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Blood of the Sea by goddess_of_the_stars
Fandoms: Percy Jackson and the Olympians - Rick Riordan, The Heroes of Olympus - Rick Riordan
26 Jul 2019
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Have you ever wondered how children of the Sea came to receive their special powers?
How it was possible to move water at will, talk to sea creatures or go as far as to control poison?When reaching his 18th Birthday, Percy Jackson gets to experience what it means to be a true child of the sea.
The question still left unanswered though:
Is he ready to take the burden that awaits him? -
Leave Your Sneakers at the Shore by Takara_Phoenix
Fandoms: Percy Jackson and the Olympians - Rick Riordan
11 Jul 2018
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Nico di Angelo lost his mother, his sister and now his job. With no perspective, he decides to kill himself. To walk into the water and never come back.
What he doesn't know is that those who die at sea turn into merpeople. He meets Percy, a way too helpful and sweet merman.
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What happens when you get changed into a mermaid and dragged under the ocean in one day? The contents of this story of course! by afincf_tirwer
Fandoms: Percy Jackson and the Olympians - Rick Riordan
04 Oct 2016
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Annabeth Chase waits everyday by the ocean, hoping that her older brother will return. When she meets a green-eyed mermaid, will she reunite with her brother? Or will she have made the biggest mistake of her life?
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The day had started off normally enough. Merlin had spent the better part of it swimming around with his friends, hunting the poor fish that were to become his dinner, and listening to his mother berate him for his continued trips to the sea surface.
As he stared up at the faces of the men who had captured him, Merlin realised that he should probably have listened to her.
Series
- Part 1 of seas below
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- Words:
- 39,959
- Works:
- 3
- Bookmarks:
- 32
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Basically, Jack falls out of a plane and a cute mermaid decides to rescue him just for fun.
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We met by chance. Chances so low it seemed that what was present in front of my eyes was a figment of my imagination. With eyes like that anyone could tell he was meant to be in the sea. The iris dominated the pupils that were barely present against the vibrant green. They were pinned to me as I watched those plump lips curl into a snarl, presenting sharp teeth.
OR: Instead of the mermaid turning into a human, the human turns into a mermaid.
Series
- Part 1 of By Chance
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Love can change people. Especially when that love comes in the form of a beautiful ocean creature.
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" “What’s your name?” Lance asked. This question, the mer couldn’t find an answer to. He didn’t require a name. He never had one and he was fine without a name. He shrugged and Lance looked at him, spooked.
“Then I’ll think of one for you.” he insisted and the mer shrugged again but did not complain. Lance had fun, so he would play along.
“Keith.” Lance smiled. “You look like a Keith.”
He snorted quietly. A Keith. "
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Fishy Circumstances by MaeaStorm
Fandoms: DreamWorks Dragons (Cartoon), How to Train Your Dragon (Movies)
03 Apr 2021
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After Krogan is grounded on defender of the Wing island, he finds himself running for his life... and stuck in a pond. Could it get any worse?
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- Part 2 of Maea's Spooky Transformation Drabbles
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Scott doesn’t usually actively set out to do lore in the Life games as much as he sets out to win, and he knows these sorts of things are unpredictable, but he’d counted himself, absentmindedly, pretty much safe.
Which is why it’s such a surprise when, two days into the second week, he jumps into the warm coral reef water, and finds that he all at once can’t feel his legs.
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Shisui's crew have turned on him, but more than death awaits him beneath the waves. . .
Series
- Part 1 of (Sinking) Beneath the Waves
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It's the summer before they start college. Nursey's cursed by a sea witch. Dex is shipwrecked on an island. Chowder is just happy to be here.
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Bound, injured, and thrown overboard by a mutinous crew, Shiro assumes his life is over. But these seas are not empty, and the silver creature swimming towards him is not a shark...
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Stanley and Stanford Pines have achieved their dream of being sailors, even hiring a crewmember for their ship named Fiddleford McGucket. But when they sail into treacherous waters, they discover Fiddleford isn't human, but rather a merman. This discovery leads to a desire to explore the ocean like merfolk and that desire itself leads to a permanent, unwitting transformation.
(Compilation of ficlets cross-listed on Tumblr)
Series
- Part 5 of Stanley McGucket
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Soulmate In A Bottle by B_Rabbit14
Fandoms: Minecraft (Video Game), Video Blogging RPF, Dream SMP (Fandom)
04 Oct 2021
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"Why're you crying?" Tubbo asked bluntly. Tubbo didn't comment on how the tears blended in with the seawater dripping down his nose. "Are you hurt?" He tried again. The human shook their head.
"I-I'm fine," He stared at the human and the human stared back as if afraid to move or look away should Tubbo decided to attack.
"What's your name?"
"Ranboo," He finally answered and looked away from Tubbo's gaze.
"I'm Tubbo," The mer chirped in reply.
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"There are only certain mers who can form a Pair with a human and when they do they can choose to leave the sea and become human like their partner," Tubbo stuck out his tongue as he fiddled with the flowers again. He sighed softly and looked down at his work before speaking again. "The human can also become a mer if that's what both sides agree on, but the transformation is permanent so its super important to know whether or not that person is for you,""Sounds scary," Ranboo muttered and pulled his knees close to his chest. Tubbo looked up at him and his brow furrowed slightly in concern.
"I like to think it isn't so scary when it happens," He whispered. Ranboo stared at him with a contemplative look.
"How so?"
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Cassie’s maid of honor Emma has always been the best at planning things, so of course her bachelorette party was no different! She booked the ‘Mermaid for a Day’ experience, hope this doesn’t awaken anything in her…
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Ryoken doesn’t know why his father fears the ocean so much.