There are indeed Naruto fanfictions where he has Ultra Instinct. Fanfiction writers like to experiment with different power combinations. By giving Naruto Ultra Instinct, they can create really exciting battle scenes. For example, Naruto could use Ultra Instinct to dodge attacks more effectively during a fight with a powerful enemy like Madara, adding a whole new dimension to the story.
Often, it begins when Naruto has a moment of deep self - reflection. He realizes the limitations of his current power and starts to explore new ways to fight. In the context of the fanfiction, this exploration could lead him to the path of learning Ultra Instinct. For example, he might encounter a wise character who gives him some cryptic advice that sets him on this journey.
It could be a rogue ninja who has also discovered a dark version of the ultra instinct. This ninja uses his power for evil, like taking over villages and enslaving people. He would be a major threat to Naruto and his friends because his power is so similar yet so different from Naruto's ultra instinct - like powers.
One idea could be Naruto discovers a hidden ancient jutsu that unlocks his ultra instinct - like powers. He then uses these powers to quickly defeat enemies in the Fourth Great Ninja War, surprising everyone including Sasuke. Another could be Naruto training in a secret dimension where he gradually attains ultra instinct and has to face off against a new, powerful and unknown enemy that threatens the entire ninja world.
Typically, in izuku ultra instinct fanfiction, Izuku gains a new level of power and awareness. His movements become more instinctive and fluid. For example, he can dodge attacks without even thinking consciously. Also, his combat style often changes to be more aggressive yet precise.
Yes, it is possible. In fanfiction, writers have the creative freedom to reimagine the origin of characters. Goku being born with Ultra Instinct can add a whole new layer to his character development. It could mean that his power growth would be different from the original story, perhaps faster or with different challenges along the way.
You could write a fanfiction where Goku teaches others about Ultra Instinct. Maybe he tries to pass on this power to Gohan or Trunks. This would involve Goku having to understand the power more deeply himself in order to teach it, and it would also be a great way to develop the other characters.
One popular one is 'Naruto: The Ultra Instinct Awakening'. In this fanfiction, Naruto discovers his Ultra Instinct during a life - or - death battle. It has great descriptions of his new power and how it affects his fighting style.
In this Ultra Instinct Batman fanfiction, there could be a moment where Batman has to teach others how to access a similar state. Maybe he trains Robin or some of the other young heroes in Gotham. This would not only show his growth as a character but also how he is able to pass on his knowledge and skills. It could also lead to the formation of a new and more powerful team in Gotham to fight against the ever - increasing threats.
A fanfiction could focus on Goku's relationships while in Ultra Instinct. For example, how does he interact with his friends and family? Does Vegeta view him differently? In this story, Goku might struggle to control the Ultra Instinct around his loved ones because it makes him seem so detached. This could lead to some interesting emotional moments between the characters.