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Kaiju Slayer (Fairy Tail OC Story) by GrimstoneRX1300
Fandoms: Fairy Tail, Godzilla - All Media Types
01 Oct 2025
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Summary
(Part of the Omen Child series)
10,000 years ago, the world was ruled by creatures who were the dominant species. They nearly destroyed the world in a war, but disappeared one day due to unknown circumstances.
Time has passed, and now the land is controlled through magic and wizards. Among them, there exists one guild who had a special wizard who would become a legend amongst all legends.
Oswald Ackerman is the youngest wizard of Fairy Tail and has the most powerful magic of all. Join him in Fairy Tail as he becomes the most powerful wizard of two worlds.
Series
- Part 2 of Omen Child
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There was nothing she could do as she stood and watched in pure horror as 10,000 Dragons entered Fiore, destroying everything in their path. She got separated from the others during the initial attack, but the lack of magic and prideful shouts that she knows Fairytail was capable of confirmed her doubts to be true.
Everyone was dead.
Lucy Heartfilia looked at the last remaining member, other than herself as she stood before the Eclipse Gate. Natsu was roaring, throwing and breathing fire everywhere as he desperately tried to protect what was left of his home.
They both knew it was futile, and they were left with no-choice. Lucy wiped her tears from her face and stared at the Gate before her defiantly.
She had to take the slim chance.
She had to go back.
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OR:
Future Lucy goes back in time to stop the attack from happening but ends up landing in her FAR younger self’s mind as another conscience.
And this timeline is a bit different than her original one…
[This is a story that does follow canon—to a certain extent. Featuring a darker spin to Fairytail + character studies; it can be considered a Fairytail rewrite in a way]
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In a brutal empire where gladiators are stripped of their humanity and paraded as blood-soaked entertainment, Natsu Dragneel—a rare survivor of a near-extinct northern tribe—fights only to endure long enough to claim freedom and vengeance.
Torn from her home and betrayed by her father, Lucy Heartfilia is cast into the colosseum as a prize, bound to the bloodied gladiator who has never once bowed to death.
Thrown together by cruelty and chained by destiny; a dangerous, forbidden yet blooming found-connection within confinement that could ignite rebellion, Natsu and Lucy must survive not only the arena, but the schemes of an emperor who will stop at nothing to break them.
Series
- Part 1 of Gladiator
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The Luckey Cafe was a speciality even amongst travelling coffeeshops. One day, nothing, a vacant lot on the edge of town. The next, a full sized two-story building.
It would appear at the corner of a town, typically close to a Wizards Guildhall, and stick around for weeks at a time, before just disappearing in the night. Anyone out and about close to the building says they just blinked and it was gone, nothing but the exceptionally well branded travel cups in their hands to convince them that it had been there at all.
Nobody knew where it went, or where it came from. Nor did anyone know where to expect it.
When The Luckey Cafe settled somewhere, it was never wanting for customers, people of all scenes lining up for a chance to see the almost mythical cafe before it disappeared again.
So when it landed in Magnolia, well.
Chaos could only follow in its wake. -
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Summary
Clave: To split or divide by or as if by a cutting blow, especially along a natural line of division. Alternatively, referring to archaic Latin ‘clavem’, meaning ‘the key’.
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Of course, Lucy Heartfilia hadn't meant to interrupt a meeting between two Steel Council officials. She certainly hadn’t meant to impress them, of all things.
Unfortunately, she probably should've known things were bound to go the opposite of what she meant the moment she eviscerated the Rune barrier around the ancient temple, and it was a little too hard.
God damn Jason for letting her go on this job. God damn the Priestess for convincing her with that gorgeous triplet set of keys. Most of all, god damn Freed for training her well enough to completely undo almost any set of runes. If only she’d have blown up like it was scripted. But no, Lucy Heartfilia had to have a brain and, for whatever reason, a sense of self preservation.
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It was just one job.
A job that wizards Natsu Dragneel and Lucy Heartfilia thought was simply too good to be true. A job that wasn't far away, could easily pay for Lucy’s rent and Natsu’s stomach for the next 4 months and that would, or should, have taken no more than a couple of days. If only the stars had looked out for them.
The moment they boarded the train to leave Magnolia, they set themselves up for lies, deceit and pain- causing emotions to collide and feelings to sway. With danger lurking around every corner and never knowing who to trust, will Natsu and Lucy be able to protect each other? Will their long-lasting feelings of friendship turn into something more? Or will they shatter under the pressure?
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Lucy is more than thrilled when she, Natsu and Happy accept a job from one of her favorite authors for inspiration for a new novel. It's a dream job!
Except, after meeting with the client, things start to get a little weird. Natsu's sinuses get stuffed up. His eyes shimmer in the starlight. He feels a strange sense of being watched...
Oh, and Lucy can't stop catching on fire. That's a problem, too.
Nalu Week prompt: Magic Swap. Wherein Lucy and Natsu learn a lot about their magic... and each other.
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Erza Scarlet does not show weakness or indulge in childish things. So when she discovers her classification is Little, needs and wants become a little trickier for her to balance. Will she learn to trust someone with her headspace? Or will this be a secret she takes to the grave?
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- Part 17 of Regressuary 2025
- Language:
- English
- Words:
- 2,297
- Chapters:
- 1/1
- Kudos:
- 4
- Hits:
- 47
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Natsu, seorang bocah berusia 10 tahun yang hidup dalam penderitaan di tangan pamannya, Jude Heartfilia, harus menghadapi kekerasan fisik dan emosional setiap harinya. Jude, yang dendam kepada mendiang ayah Natsu, Igneel, secara rutin menyiksa Natsu. Beruntungnya Natsu masih memiliki Lucy sebagai sahabat karib yang membantunya dalam menjalani hari.
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Lucy Heartfilia has been returned to the land of the living. Changed by her experience, but still herself. And with the missing member of the Fairy Tail Guild finally home they can look outwards. Both in repairing the shattered Guild itself, and in what they plan to do about their enemies. Zeref waits upon his throne. Acnologia circles like a vulture. And yet in the end, it will be as it always was.
Fairy Tail Victorious.
Series
- Part 5 of Fairy's Light
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Cale and the Fairy Wizards by YaoiYuriLover
Fandoms: 백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan, Fairy Tail
21 Aug 2025
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Cale just finished the war and helped crown Alberu as the Emperor of a now expanded Empire. Now, Cale was relaxing with his kids in the Black Castle while Choi Han was acting as Alberu's hand.
Well, as much as Cale could relax, Raon was experimenting with his magic. But during one such experiment something went wrong.
When Cale woke up he was being poked by a pink haired teen who was staring at him with a very serious look. What has he gotten into this time?Series
- Part 4 of Cale's Adventures in Another World
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He couldn’t remember how he got here. Try and try as he might, anything leading up to the Room was blurry, like trying to grasp at watercolor paints of memories. He did not have memory. He did not have a name. There was nothing.
There was only the Room.There was a pink mark on Her hand that made his right shoulder burn, but he couldn’t explain why. Her blonde hair was cut short, and he had no memory, but he knew that was wrong.
He tried to shout for Her, a name that he couldn’t remember but a name he tried to say anyways.
“Natsu.” She said the name like it was his, and it felt right.In which Natsu has no memory, but he does have Her. Originally written for Whumptober but is a standalone fic.
Series
- Part 3 of Whumptober 2024
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The dark is always there, hanging and bringing fear. The light comes soon enough, making it all the more soft.
/OR/
A dark dragon slayer Natsu au with strong Lucy out of the gate. More keys, magic experience and training for her here!
Inspired by many other fanfics with this au -
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Summary
It had all started as a handful of missions that Lucy had brushed off as "off days." At first, it had just been Natsu getting distracted, Natsu getting a little more protective than usual, Natsu letting his fire linger a little too long before dismissing it.
Then it turned into something else. It turned into sleepless nights, short tempers, and a faraway glaze over his eyes like he was imagining how the Guildhall would look as a glorious pyre of fire. It turned into new wants and desires, new behaviors, and new challenges that the whole guild would have to overcome.
Oh, and there's also the fact that he looks at Lucy like she's the most precious treasure in his hoard. That was new, too. Lucy wasn't so sure how to feel about that one, yet.
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Natsu is transforming into something more than human. This can't be a good thing... right?
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Where The Sea Meets The Stars: The Second Dawn by I_need_coffee_and_sleep
Fandoms: One Piece (Anime & Manga), Fairy Tail
15 Jul 2025
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Summary
Summary:
After sacrificing her life to seal Acnologia, Lucy Heartfilia never expected to open her eyes again—let alone in a different world, reborn as a baby on a remote island in the East Blue.
. . .
Just as summary says, Lucy Heartfilia died and reborn inside One Piece world along with Jellal Fernandes.
Warning:
This fiction won't get updated regularly.
English is not my first language.
BAMF Lucy Heartfilia.
BAMF Jellal Fernandes
Its been so long ever since I had watched Fairy Tail and One Piece.
There will be original characters.
I made up some powers for Lucy so- some of them might not make sense.
No Romantic Relationships -
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Summary
NaLu Week 2025 Prompts:
Baking/ Home
Cozy Mornings/ Casual Intimacy
Vacation/Magic Swap
END/Angry Confession
Dreams/ Promises
Picnic/ Love Language
Nap/ HoardBonus Day: AU
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Summary
NaLu Week 2025 Day 5: Promise. (Yes, I know that I'm late with this and NaLu Week 2025 is over, but I love NaLu, and will still make fanfics for the given prompts).
Sometimes, it's the simplest of promises that can be the hardest to follow.
Series
- Part 4 of NaLu Week 2025
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I'm bad at summary so I'll just make it really simple.
This fiction is a What If Lucy didn't go to the Tenroujima. (That’s it... That’s the main plot)
And no it won't just immediately time skip to 7 years later, we'll go though the adventures of Lucy in those 7 years.
And let me tell you this.
This is Lucy based fiction and I don't want to hear 'Natsu should be the main protagonist' or 'Erza and Gray are better' or even 'Lucy is so annoying she's so useless'...
No I don't want to hear any of that and-
This fiction contains-
BAMF Lucy (OP like really really OP)
More custom made keys
Original Magics I created.
Original Lands or Locations I created
OC's (but they'll be only in as NPC's or just supports)
Bad Grammar because English is not my first language (it can be the third language if you count my traditional script language with my native language)
There will be mistakesSo if you don't like any of these-
So please be respectful and leave, I didn’t force you to be here.And please enjoy
:3(And to my readers- if there are any mistakes feel free to tell me and correct me I'll try to fix the mistakes as fast as I can)
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When Natsu is swallowed up by some weird magic bubble, it's just another normal day in the Fairy Tail guild. But as it always does in Fiore's rowdiest guild, it goes wrong very quickly.
Now they have to see the future to save Natsu from a terrible fate, and maybe, understand who their friend really is.(This is my first Ao3 fic! So, I hope I tagged correctly. Also, this fic might get pretty dark, but I haven't wrote that part out yet so I'm not sure what to tag. As a general warning just in case: mature content. I will put warnings before the chapter begins.)
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The Tanabata Festival was supposed to be a perfect first date for both of them. Until a force collided into Lucy out of nowhere and she blacked out.
When she woke up, the celestial mage found herself...twelve years in the past. Before everything. And with a younger version of Natsu - lankier, more innocent and sarcastic, and whose instinct was already claiming even before his simple mind could catch up.
Lucy was doomed to navigate this time travel-paradox. Delicately, and a whole lot of emotional dragon support.
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Nalu Week 2025: Day 5: Dream + PromiseSeries
- Part 4 of Nalu Week 2025 <3