One interesting concept could be the reincarnation of a character into a different era in the One Piece world. For example, a character from the past reincarnating during the Straw Hats' time. This could lead to unique interactions and plot developments as they might have knowledge from their past life that could change the course of events. Another concept could be the reincarnation of a powerful villain, but with a different personality or goal, which would add a new layer of complexity to the story.
One common theme is self - discovery. Since the character is reincarnated, they often have to figure out who they are in this new world. Another theme is power - building. They usually start from a weak state and have to gain strength in the One Piece world. For example, in many of these fanfictions, the reincarnated character has to train hard to be able to fight against the pirates and marines.
One idea could be an OC reincarnated as a member of the Straw Hat crew in a different timeline. For example, they could have the memories of their past life and use that knowledge to help the crew in unique ways, like knowing about future enemies and how to defeat them.
One interesting concept could be the magical abilities from Harry Potter combined with the unique powers in One Piece in a reincarnation scenario. For example, a character reincarnated from the Harry Potter world might use spells while also having the Haki or Devil Fruit powers from One Piece. It can create really cool and unexpected story developments.
Harry Potter himself is often a popular choice. Fans like to imagine him reincarnated in the One Piece world, using his magic skills to navigate the dangerous seas. Another popular character is Luffy. If he was reincarnated in the Harry Potter world, his fearless and determined nature would make for an interesting addition to Hogwarts.
There were novels similar to One Piece Begins with the Reincarnation Eye:
1."Uchiha's Reincarnator", Author: Roasted Lin Egg
2: Rise of the Tsar of Naruto Rebirth, Author: Vodka and Coke
3."One Piece: As a Navy, I Don't Do My Own Job." Author: Ruthless Road
4."One Piece: As long as you are stubborn, you won't be beaten to death." Author: Xi Gu
5:"Muye, the beginning was reported by the fourth generation Naruto", author: Shuang Rufeng
6:"Beautiful Man Begins From the Fusion of the T-Virus", Author: Infinite Beibei
7."Dragon Ball: Starting from +1 combat power per second." Author: Defiant Green Pepper
8:"Control the Soul from Muye," Author: Little Pique Seafood
9:"Starting from Naruto, add points to sanctify the body, but the Godfather." Author: Send a message
10:"Man in Naruto: The Way of Fists is Divine!" Author: Half-Life, Vanity
Eating the Fruit of Surgery in Naruto World, Author: Cyborg No. 8
12:"Pirates: The Wicked Family", Author: Director of Screwing
Chapter 13:"Muye: I Have a Clone in One Piece", Author: Suturing Monster
14:"Pirates: I formed the strongest pirate group." Author: Someone wants to hit me
15:"Koba: The King of Souls from Uchiha", Author: If we don't cherish each other when we leave
"The Pirates Begin from the Reincarnation Eye", Author: Tomato and Longan
Naruto: Starting from Unlocking the Authority of Death, Author: Falling Leaves Late in Life
The following is a detailed introduction of these novels:
1."The Uchiha Family's Reincarnator": In the fourth battle of the Ninja Realm, Uchiha Mirai, who was the Fifth Generation Naruto, the Ghost Kill Team's Helioshi, the Sea Emperor, and the Hero Association's S-class hero, decided to push him back when he saw the coffin of his ancestor Uchiha Uchiha rising in front of him.
……
2."Rebirth Naruto: The Rise of the Tsar": The Wave Gate of Fengshui said: If any ninjas from the Kiba Village see him on the battlefield, they are allowed to abandon the mission and escape first!
Uchiha said,"The only people who can stop me in this world are Pilima and him."
Kakashi said,"Only his ninjutsu can't be replicated!"
He is the son of prophecy in my heart.
===================================
He had single-handedly created the rich Sand Empire, and the 'Swelling Earth' organization he had founded had its tentacles spread throughout the entire continent. The Crimson Sand Army he led had never been defeated.
He was the hero of the Wind Country, the Hand of Salvation, the King of the Underground World, the Guardian Crane Lord, and the founder of the Sand Empire…Tsar Fu Chuan!
===================================
He crossed the Wind Country and became the older brother of the Burning Escaping Ye Cang.
It came with a reputation system, and one could become stronger step by step by obtaining the recognition of others.
3."One Piece: As a Navy, I Don't Do My Own Job": Gago, who was a 3-year-old child, lived in Roguetown for 12 years.
The stagnation of his strength made him choose to join the navy, which seemed to be the safest.
In the end, he accidentally activated the golden finger that was 12 years late.
He had planned to fish in the East China Sea, but he was forced to participate in various major events involving One Piece.
As for justice? The righteous words of the navy were all nonsense to him!
Finding an opportunity to skip work was a worker's lifelong pursuit!
------------
The protagonist had a cheat, and there were fruits at the beginning and changes later on.
4:"One Piece: As long as you are stubborn, you won't be beaten to death": Traversing the world of pirates, obtaining the system's superman-type language fruit (×), animal-type human-type fruit, mirage beast species, All-Mouthy King form (tick).
His mouth was tough enough despite his weak physique.
[Ding: Congratulations to the host for breaking through and obtaining a new ability. I can still show it off.]
[I Can Still Show: As long as you are stubborn and not dead, you can directly revive on the spot with full health!]
[Ding: Congratulations to the host for breaking through and obtaining a new ability to make people happy.]
[Hard work makes people happy: As long as you insist that you are the hardest working person, you will be able to reap without sowing, sit back and enjoy the fruits of others 'labor, receive rewards without merit, and reach the heavens in one step!]
[Ding: Congratulations to the host for breaking through and obtaining a new ability, Dance King.]
[Dance King...]
……
5:"Muye, reported by the fourth generation Naruto at the beginning": The main character in the early stage, the protagonist of the Dark Style
I only included it because of my personal taste. I like the dark flow.
6:"The Beauty and Manga Start from the Fusion of the T-Virus": Ye Xuan had just transmigrated to the Marvel Universe when he was threatened by the debt collectors of Jin Bing.
Faced with the sudden crisis, Ye Xuan activated the golden finger that could cross the myriad worlds.
In order to obtain extraordinary power and kill the BOSS of the novice village, Jin Bing, Ye Xuan resolutely transmigrated into the Resident Evil world and successfully fused with the T-Virus.
A fantasy journey with Marvel as the main universe began.
[Temporary Dungeon World: Biohazard, Cyberpunk]
7."Dragon Ball: Starting from +1 combat power per second": Transmigrating to the Dragon Ball world and becoming a Saiyan baby.
The starting combat power was 50 points, and it carried a golden finger that increased the combat power indefinitely.
What was that? Activating the system required going to Earth!
Two years later, when Lin Chuan set foot on the interstellar journey, he thought that his road to rise would begin from there. However, he did not know that he had been trapped on planet V3114 for more than 20 years.
The starship had to reach its destination before it could go to other planets?
What was that? The invading planet was hit by a meteorite and was in an Ice Age?
What was that? The starship was broken? Unable to travel in space?
Faced with a bunch of problems, the only thing Lin Chuan could do was to survive and become stronger.
……
Until this day, when Lin Chuan's combat power reached 15000 points, a spaceship from the Frissa Army arrived…
8."Control the Soul from Muye": Lord System and the Six Paths Immortal both die. Makino Shinhara tearfully accepts their inheritance and rewrites the history of Naruto World as a civilian player...
Naruto Version Introduction: After a long winter, the third battle of the Ninja Realm that almost destroyed the hidden village of Koba ended.
The third-generation successor, who was about to retire, looked at the three successor review reports on his desk.
"Orochimaru perfected the development of the Immortal Mantra Seal and the reincarnation of the filthy earth. He has repeatedly made contributions in the war and has countless fans."
'Wave Wind Water Sect, perfect control of immortal techniques. He has turned the tide several times and is the most outstanding existence among the new talents of Muye.
"Uchiha Nuo, the number one person in Koba Bodywork. He's smart and can't compare to the Water Wave Sect in terms of battle achievements. His talent and popularity are also inferior to Orochimaru. The fourth generation Thunder Shadow and the third generation Earth Shadow had written to him one after another. If he hadn't become the fourth generation Fire Shadow, the war between Hidden Cloud, Hidden Rock, and Muye would never have ended.
"More importantly, Orochimaru and the Nami Fūjin Sect jointly recommended Uchi-no to take over as the fourth generation leader."
……
"This, who should I hand over the position of the fourth generation, Mu Huoying?"
Old man Yuan Fei sucked on his tobacco pipe fiercely, frowning.
"Even if I really hand over the Naruto position to Nuo, I'm afraid that he doesn't have this ambition!"
[Introduction to the Heavens: What kind of wonderful chemical reaction will occur if you mainly play with muscles and have a smart brain?]
Promise: My eight-pack is the chessboard, and all living beings are the chess pieces.
If I accidentally shake my belly, wouldn't I be putting the whole world in order?
This was a refreshing story of a brawny big shot doing whatever he wanted in the world of comics ~
(P.S.: Naruto World's Pseudo-Invincibility Level-Up Story. Jojo, Legend of the Wind Sword, Blade of Ghost, Death God, One Piece, etc. are Invincibility Stories.)
10:"Human in Naruto: Godly Fist Path!" In the 32nd year of the Muye Calendar, a martial arts grandmaster was reborn into the Naruto World. In this world where ninjutsu was prevalent and blood was supreme, who said that physical techniques could only be short-lived?
The three internal and external combinations, the three essentials of internal cultivation, were Tai Chi, Xing Yi, and the Eight Trigrams!
It collapsed like a longbow and moved like lightning. It was extremely fierce!
He sank the bridge, sat down, and pointed his finger at the cauldron. That was the Hundred Schools of Great Fists!
The combination of the Light, Dark, Transformation, Controlled Dan, Astral, Shenshen Six, and Chakra was destined to push Chinese martial arts to an unprecedented level!
During the fourth battle of the Ninja Realm, Qimu Yi stepped into the void and looked at Uchiha Ban, who was devouring the divine tree. He then stepped forward and cupped his fists.
"Among all the people I've met, I, Qimu Yi, am willing to call you the strongest!"
……
"Eating the Fruit of Surgery in Naruto World": Not Hyuga, nor Uchiha.
It wasn't a thousand hands, nor was it a whirlpool.
He traveled through the Naruto World and became the number one villain in Ninja World, Mizuki, who was accused of killing his teammates.
In Muye Prison, Shui Mu, who was in a desperate situation, realized:
A fruit that looked like a red heart with spiral patterns on its surface quietly appeared in the corner of his cell.
From then on, an invincible ninja appeared.
……
He easily completed the transplantation of interpillar cells that Tuan Zang had been looking for but could not get!
He had completed the soul swap that Orochimaru had dreamed of!
It was a spatial divine skill that was even more powerful than Thunder God, Heavenly Hand Strength, and Divine Might!
Let Uchiha become Naruto and force Tanzo to defect to Koba.
There was also the battle between the three-tailed human pillar and Ye Yuanlin, and the battle between the six-tailed human pillar and the ten-tailed human pillar.
Shui Mu had put on a perfect show for the ninja world!
12."One Piece: The Evil Family": Traversing the world of pirates, and a noble from a member country. "In my previous life, I was busy, but I was still a different person. I must live a happy life in this life." Akira Kurosawa clenched his fists."Then let's train our six-pack first."
Chapter 13:"Muye: I Have a Clone in One Piece": It looks pretty good at the moment. The cheat is a little new. You can delete your account and retrain it in One Piece World. This way, you can experience more than one fruit. I'm looking forward to the idea of developing your ability.
14:"One Piece: I Formed The Strongest Pirate Group": Roger's sentence before his execution started the chaotic era of the great pirates!
The new era that was about to sweep across the world had arrived!
Experts could do whatever they wanted in this wave that swept the world.
The weak, on the other hand, had no choice but to go with the flow.
In this wave, a soul that did not belong to this world quietly descended.
15:"Koba: The King of Souls from Uchiha": The Uchiha clan who woke up and transmigrated to the later stages of the third battle of the Naruto Ninja Realm. Are they lucky or unlucky in this bloodline-based Ninja Realm?
Just as he accepted his new identity, he had to face the Battle of Kikyo Mountain, which was known as the Battle of Kikyo. How could he survive in the cruel war?
Who could guarantee that they would be safe and sound in the cruel War of Ninja Realm?
Fortunately, other than the original owner's inheritance, he also had the ability of the Soul Fruit. This was the capital to protect himself and the cornerstone of his rise!
As for the danger of extermination, if he could make Zhi Shui and Bai correct, then so be it. If he could not, then he would get rid of them directly. He would not drag things out!
The King of Souls, the God of Illusion, and the Supreme Puppet, Uchiha Genro, only wanted to say,"When others suspect that you have a weapon of mass destruction, you'd better really have one!"
"The Pirates Begin from the Reincarnation Eye": In the era of the great pirates, countless ambitious people rushed to the sea to fight for the legendary treasure, ONEPIACE.
That year, Luffy hadn't set sail yet, Ace had just sailed, the fourth emperor of the New World had just risen, and Baki was still frying fish ponds in the East China Sea…
However, a man appeared in Frostmoon Village and brought the Reincarnation Eye to the East China Sea, opening an unusual pirate world.
"Naruto: From the Unlocking of the Authority of Death": Year 47 of Koba, Peace is Coming.
Day and Night, who had transmigrated and experienced three battles, had barely survived the war with his "special" ability...
However, Ye Yi knew that peace was just a facade, and the dark clouds of war still hadn't dispersed…
However, that was not the main point. The main point was that Ye Yi wanted to know how to get rid of the caged bird that was hanging above his head and could take his life at any time.
Should he find the source of the caged bird and solve it from the source, or use the ability of other worlds to seal it?
What was the connection between the Reincarnation Eye and the caged bird?
The system, the abilities of other worlds, the authority of the Death God, the soul...
There were many questions, but Ye Yi was very confident. As long as he was given time, he would be able to figure them out one by one!
"Who told me to be a cheater…"
Ye Yi looked at the pitch-black pearl in the depths of his soul that was emitting a faint glow as he spoke…
(P.S. The Grim Reaper is the Grim Reaper in the anime "Grim Reaper", not any other…)
(P.S. 2: The main ability is also based on the Ghost Dao of the Death God World, supplemented by some abilities from other worlds...)
(P.S. 3: A newbie writer with only one failed book experience. Don't comment if you don't like it ~~)
You can read these novels on Qidian Chinese Network.
There's also 'One Piece: Reincarnation of a Reader'. In this fanfiction, the reincarnated reader has unique abilities that make their journey in the One Piece universe really exciting. The author does a great job of integrating the reader - insert character into the existing world and storylines of One Piece.
Develop their unique abilities. Since it's a reincarnation fanfiction, they could have some abilities carried over from their past life or gain new ones in this new form. It could be something like a special form of Haki that no one else has. Combine this with their backstory to make it more interesting. For instance, if they were a fisherman in their past life, they could have a unique way of using water - based attacks in their new pirate life.
One Piece reincarnation fanfiction can add twists by making characters reincarnate with different abilities. For instance, if Nami was reincarnated with the ability to control the weather without using her Clima - Tact. This would change her role in the crew and how they face challenges at sea. Moreover, the reincarnation of antagonists into protagonists or vice versa can completely turn the story on its head. A cruel pirate could be reincarnated as a hero, and their struggle to adapt to this new identity would be a great new aspect to the story.
In the world of One Piece, there's no indication that the characters themselves watch fanfiction. Fanfiction is a creation of the fans in the real world, and the in - universe characters are too busy with their own adventures, like Luffy chasing after the One Piece, Zoro training to be the world's greatest swordsman, and Nami navigating the seas. They don't have access to or knowledge of the fan - made stories about them.