The possibilities are endless. Goku's crossover could introduce interesting plot twists and character interactions. Maybe he'd have to adapt to different power systems or form unlikely friendships.
It could lead to all sorts of interesting storylines. Maybe they'd have powerful kids or face new challenges together as a couple.
Well, in such a fanfic, Naruto would be amazed by Goku's super strength and ability to fly. Goku, on the other hand, would be intrigued by Naruto's ninja skills. They could exchange fighting techniques. Maybe Naruto would learn about ki control from Goku, and Goku would pick up some stealth moves from Naruto. And their friendship would likely develop as they face various challenges together.
Well, it could lead to a major shift in their relationship. Maybe Frieza would start to respect Goku or even team up with him.
It could lead to some interesting plot twists. Maybe they'd have super-powered kids or face unique challenges together as a married couple.
It could lead to them becoming an almost invincible force, easily defeating most enemies.
It could lead to some major power-ups for Goku. Maybe he'd learn new fighting techniques and strategies from Vegeta's unique style.
A Goku and Goku Black fusion in fanfiction could be really exciting. The fusion would inherit Goku's love for fighting and getting stronger, but also Goku Black's ambition. Their combined ki could be a new type of energy that no one has ever seen before. This new fused form might also have new transformations or abilities. For example, it could combine Goku's Super Saiyan forms with Goku Black's Rose form in unexpected ways. It could change the power balance in the Dragon Ball world and open up all sorts of new storylines, like teaming up with other characters to take on new threats or even having internal struggles between the two personalities within the fusion.
In fanfiction, if Goku Black fused with Goku, it could potentially create an extremely powerful being. This new entity might have a mix of Goku's pure heart and Goku Black's more sinister motives, which could lead to a complex internal struggle. Their combined power could be off the charts, perhaps strong enough to defeat any foe in the Dragon Ball universe. However, it could also cause chaos as their different personalities clash within the fused form.
Well, in fanfiction, if Goku Black fuses with Goku, it could result in a super powerful being. Their combined powers might create a new form with an extremely high power level. This new entity could have a mix of Goku Black's dark and devious nature with Goku's pure-hearted heroism, leading to an internal struggle within the fused form.
If Goku shared spirit with his brother in a fanfic, it could potentially change the dynamics of their relationship and unlock hidden powers. It could also create new challenges and conflicts that they have to overcome together.