It might not be very satisfying, but I would recommend a novel that is most relevant to your description."One Piece: Fruit of the Sea Tower" is a light novel by the author, Xiao Zhuan. The general plot of this novel is as follows:
Pirates and co-conspirators. He ate a fake devil fruit, and it was sweet. Obtained the attributes of the Hailoushi fruit and became the father of all fruit ability users. All aptitude users would turn soft at the touch and immediately cower ~ Moreover, he owned a demon fruit orchard and became a farm owner. There are only 720 demon fruits in the world, and all of them come from the demon tree. Now that the tree belongs to my family, do you think these fruits belong to me? Those who ate my fruits will have to pay back sooner or later. He was so handsome that he didn't look like someone who was capable at all!
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One Piece: The Food Hunter of Qinghai was a light novel written by the author who lived in Duwangting. The general plot of the novel was:
[One Piece]+[Captive of Food] Doujin was a story of a poor child who was tricked by his grandfather on Food Earth and transmigrated to the world of One Piece.
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"The Weapon King from the Pirate Era" was a light novel by author Souza. The general plot of the novel was as follows:
He recommended a new book, Starting from the Dragon Dynasty, to dominate the heavens. Buying fruits came with transmigration? No, wait for me to eat a fruit to calm down…Why does this fruit taste so bad…Д´。) My hand turned into a fruit knife…
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The Descent of the Devil's Fruit, The World of the First Generation of Pirates was a sci-fi futuristic novel written by the author, Zhao Zui. The general plot of this novel was:
As the demonic fruit descended on the blue planet, Oda admitted that he had the power of the fruit of prophecy. On the other hand, One Piece was merely an adaptation of the scenes that he had predicted. In the manga, the demon fruit tree had already begun to wither, and the world of pirates was nearing its end. You couldn't imagine how many Devil Fruits had been drowned by the tide of history. You wouldn't be able to guess how terrifying the world of the first generation pirates was. The owner of the Money Fruit was a cheater. I'll let you know what it means to do whatever you want with money. The owner of the Gambling Fruit was known as the strongest. No one in the world was willing to offend him because he dared to bet his life with you. The Time Fruit and the Space Fruit were weak in front of the owner of the Reincarnation Fruit. However, he could only leave in regret. Before he left, he left these words. "I might not be as good as you in this era, but I will still exist in the next era." Guess who wrote the Demon Fruit Atlas, and guess what kind of fruit the protagonist needs to compete in this world. How did the Heavenly Dragon people get their title? What's the strongest weapon you've ever seen? Supreme Swift Blade? If you use the fruit juice of the devil fruit as a quenching agent, guess what will happen. Welcome to the world of the first generation of pirates. Here is the answer you want.
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One Piece's Fruit of Plants was a light novel written by the author, Li Ermeng. The general plot of the novel was:
Reborn in the era of the great pirates, wields the ability of plants and fruits. He called Luffy his brother, compared notes with Sauron, tasted Sanji cuisine, and teased Usopp. Competing with the Seven Martial Seas, sparring with the Four Emperors, and discussing justice with the World Government. Within the four seas, I can roam freely in the great sea route. In a new era, a great hero would stand tall in the eyes of everyone.
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One Piece: Eating the Fruit of the Hurricane at the Beginning was a light novel by the author, pure and bright. It was a derivative doujinshi novel. The general plot of the novel was:
Ling Feng transmigrated to the pirate world and ate the Nature Devil Fruit, the Hurricane Fruit. Originally, he wanted to join Luffy's Strawhat Pirates and go on an adventure together, but the system told him that he had to form his own 10-man pirate team to create his own adventure legend. Helplessly, he could only start recruiting crew members and prepare to begin his adventure.
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The Elf King of One Piece was a light novel written by the author, Swaying Grass. The general plot of the novel was:
In the year 1509 of the Haiyuan Calendar, Lothar accidentally transmigrated to the world of One Piece. Along with him appeared a Demon Fruit, Animal Type, Magical Beast Seed, Hundred Changes Monster Fruit. He also had the ability of Hundred Changes Monster in the Pokémon world and could transform into any kind of elf. In order to become stronger, he infiltrated the navy headquarters and embarked on the path of becoming stronger by hook or by crook. One day, he would pull the Heavenly Dragon people down from the altar! [PS: Fruit development route, although this fruit is a little strange…]
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One Piece: The Gourmet is a light novel by the author, Hun Luo Xingbu. The general plot of this novel is:
[You have tasted sea frog meat for the first time, novelty hunter points +1.][You have tasted freshwater crocodile meat for the first time, novelty hunter points +2.][You have tasted small sea king snakehead fish meat for the first time, novelty hunter points +3.] "You have tasted the meat of a medium-sized sea king long-haired sea lion for the first time. Prodigy Hunter points +4." "This is the first time you've tasted the unpalatable superhuman demon fruit…" Louis, who was eating, was stunned when he heard the system's voice. Then, he looked at the fruit he had taken a small bite of. His face immediately turned green as he held the table and vomited.
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The Mumu Fruit of One Piece was a light novel by Tianji Xiangao. The general plot of the novel was as follows:
The young man who accidentally transmigrated to the pirate world and ate the wooden fruit-Walter. Walter had developed his own fruit ability through the Wood Evasion Ninjutsu of the Naruto Ninja. Join the straw hat gang and follow Luffy and the others to complete the greatest adventure in the world! From then on, a pirate who terrified countless pirates and gave countless navies a headache appeared on the sea-Wood Escape Ninja Ward. PS: No system, follow the boat.
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"What Should I Do After Eating Flowers and Fruits" was a light novel by Sparrow Fire, a derivative Doujinshi novel. The general plot of the novel was as follows:
He was a pirate and had no choice! [Tagged with: One Piece, System, Comic, Lightly Daily Life, Pays More towards Entertainment, Brain Hole, Multiple Identity, Causing Trouble...]
If Luffy ate a different devil fruit, his entire power set and character would change drastically. For example, if he ate a Logia type like the Smoke - Smoke Fruit, his fighting style would be more about evasion and stealth. He could turn into smoke to avoid attacks, and his stretching abilities would be gone. His crew might also have to adjust their battle strategies around his new powers.
I recommend 'The Legend of Celestial Immortals'. The main character of the novel, Mo Xian, traveled to the Firmament World and became an outer disciple. He loved farming. While the various big shots were fighting over the Ginseng Fruit and Lingzhi, Mo Xian was using these precious spiritual medicines to feed sheep or rice. In the end, through their unintentional actions, all the important figures came over to beg Mo Xian to exchange for the spirit herbs. If you're interested in this novel, you're welcome to read it. I hope you'll like this fairy's recommendation.
The uniqueness of 'no devil fruit Luffy fanfiction' lies in the fact that it challenges the traditional view of Luffy. Without his devil fruit powers, Luffy has to rely on his other qualities like his determination, his Haki, and his physical combat skills. It's interesting to see how he overcomes challenges in a different way.
However, in the world of One Piece, it's been said that eating two devil fruits would cause a person to explode. But in fanfiction, this rule might be bent. Another consequence could be that Luffy's personality changes. The new devil fruit power might come with some sort of consciousness or influence that alters his decision - making or how he views the world. He might become more aggressive or more cautious depending on the nature of the new power.
Imagine Luffy ate a devil fruit that gave him the power to control minds. This would be a very different power compared to his current Gum - Gum abilities. His crew would have to trust him completely not to abuse this power. There could be ethical discussions within the crew. Also, in terms of leadership, Luffy might have an easier time getting others to follow his plans, but it could also create some tension if the crew felt he was relying too much on his mind - control powers instead of his natural leadership qualities.
In some fanfictions, Luffy's Devil Fruit is indeed considered the strongest. His Gum - Gum Fruit gives him unique abilities like stretching his body in incredible ways. In fan - created stories, these abilities can be enhanced even further, making him almost unbeatable.
One interesting luffy dragon fruit fanfiction could be about Luffy discovering a new type of dragon fruit that gives him the power to control time. He then uses this power to go back and prevent some of the tragedies that happened to his crew. This would add a whole new layer of depth to his character and the story.
One of the main things that make it strong in fanfiction is the creative use of its basic properties. Writers can make Luffy use his stretching in ways that are not shown in the original manga or anime. He could stretch his internal organs to survive otherwise fatal blows. Or he could use his stretched body to create complex structures for defense or to launch multi - directional attacks. This freedom of creativity in fanfiction enhances the perceived strength of his Devil Fruit.