One creative idea is to have Naruto characters gain the abilities of the Killing Bites characters. For example, if Naruto could transform like a therianthrope, it would add a whole new dimension to his combat skills. He could use his new form in combination with his shadow clones, creating really unique battle scenarios.
A really creative fanfiction could be set in an alternate universe where the events of Naruto and Killing Bites are intertwined from the very start. Maybe the Akatsuki are involved in the Killing Bites battles somehow, or the Nine - Tails inside Naruto has a connection to the strange powers in the Killing Bites world. This would completely change the narrative and lead to many unexpected plot twists.
A very creative 'Naruto' fanfic idea could be a time - travel one. For example, Naruto travels back in time to prevent the Uchiha massacre. Another idea is a fanfic where the ninja world is merged with the fairy - tale world. So Naruto could be fighting against the Big Bad Wolf or teaming up with Cinderella. And a fanfic where the Sharingan has a completely different power, like the ability to control the weather, would also be a very creative concept.
The concept of bringing the villains from both universes together is also quite creative. For example, Orochimaru and Lord Farquaad teaming up against Naruto and Shrek. It creates a whole new dynamic and a lot of interesting plot twists as the heroes have to figure out how to defeat this unexpected alliance.
One creative idea is a time - travel fanfic where Holo travels to the Naruto universe during a crucial moment in the ninja world's history. Her presence changes the course of events in unexpected ways. For example, she might use her knowledge and charm to broker peace between warring clans.
Some fanfictions have the concept of Naruto being a long - lost relative of Daenerys' family. This idea is quite out - there but it allows for a lot of creative storytelling. It can lead to Naruto having a claim to the Iron Throne and a whole new set of adventures as he tries to help Daenerys claim her rightful place while also dealing with his own new - found heritage.
Perhaps in some fanfictions, Naruto is the only one who can see Tinkerbell in the Naruto world. So he has to keep her a secret while also using her help to solve various problems in the Hidden Leaf Village. This idea plays on the idea of Naruto being an outcast at first and now having this unique secret.
The concept of using shadow clones in GTA - style heists is very creative. The clones can be used to distract the police or perform multiple tasks simultaneously during a robbery. Another creative idea is when the characters from Naruto have to deal with the moral ambiguity of the GTA world. For instance, Naruto, who is known for his strong sense of justice, has to navigate through the seedy underbelly of the GTA world, which often challenges his beliefs and values.
One creative idea is using alchemy to revive the dead in the Naruto world. It could bring back characters like Minato or Itachi, but with a twist because of the alchemical process. This would completely change the story's direction.
One creative idea is when the WWE superstars gain chakra powers. For instance, The Rock could use chakra to enhance his already impressive strength and charisma. Another is Naruto characters using WWE - style entrances. Imagine Naruto coming out to a WWE - style pyro show with his signature orange jumpsuit. It's a fun blend of the two universes.
Yamato is also a favorite. His complex relationship with Hitomi and his own skills in the Killing Bites world give a lot of room for fanfiction writers to expand on his character. He can be portrayed in different ways, like his thoughts during battles or his interactions with other characters outside of combat.
A great Naruto and Killing Bites fanfiction might explore the idea of a crossover tournament. Imagine Naruto characters like Sasuke and Kakashi joining forces with some of the Killing Bites characters to compete in a tournament. This would bring out different strategies and power combinations that would be exciting to read about.