In this fanfiction, Ace, Luffy and Sabo could have a future in Marineford that is full of hope. Maybe they work together to change the perception of pirates in that place. Ace could use his fire power to protect the weak, Luffy with his unwavering will continues to inspire others, and Sabo with his intelligence devises plans to make Marineford a more inclusive place for both pirates and marines.
Well, it's a wild concept. They might use their future knowledge to help save some characters or cause chaos with their modern skills and perspectives. There are endless possibilities for how the story could unfold.
First, know the One Piece characters really well. Their personalities, dreams, and relationships are key. For example, Luffy's carefree but determined nature should be accurately portrayed when he reacts to something.
One popular 'One Piece reaction fanfic' is the one where the Straw Hat crew reacts to seeing their future selves. It's interesting to see how they would handle the knowledge of their potential growth and the challenges they will face.
Well, there are fanfictions where the One Piece characters react to modern - day Earth things. For example, Luffy's reaction to a smartphone would be hilarious. He'd probably try to eat it at first, thinking it was some kind of strange fruit. And then there are those where the crew reacts to other anime characters showing up in their world. It creates really unique and fun crossovers.
Well, Ruby would be all eyes and ears, loving the new adventures presented in the fanfiction. Weiss might initially scoff but then get drawn in, especially if there's some complex plot. Blake would look for deeper meanings and character development, just like she does in her own story. Yang would cheer for the characters in the fanfiction as if they were real, and might even get some new ideas for her own fighting style from the epic battles described.
Naruto's shadow clone jutsu could be used in a similar way as in his own world. He could send clones to gather information about the situation at Marineford, like where Ace is held and what the Marines' plans are. His rasengan could be a powerful attack against the Marines. Maybe in the One Piece world, it could be seen as a type of 'haki - infused' attack since haki is the main power source there.
Begin by finding a connection between the two ideas you plan to mash up. For example, if you're mashing up a mystery story and a fantasy world, the connection could be a magical object that is the key to solving the mystery. Next, do research on both genres. After that, plan your story structure. Decide how the mashup will affect the plot, characters, and overall tone. For instance, if you're combining a historical period with a space adventure, think about how the characters from the historical period would react to space travel and alien encounters. Then start writing, letting the two ideas merge organically as you go.