In Dragon Ball fanfic, Goku SSJ often has super strength, like being able to lift extremely heavy objects with ease. He can also move at incredible speeds, making it hard for enemies to even see him coming. His energy blasts are much more powerful than in his normal form, capable of destroying large structures or powerful foes in one shot.
In some fanfics, Goku SSJ's character development might focus on his relationship with his family. He could become more protective and understanding of his family's needs. For example, he might take more time to train Gohan and teach him important life lessons along with martial arts skills.
Well, there are some great ones. A lot of fanfiction in this area explores the power of Goku in his SSJ4 form in the context of the Dragon Ball Super universe. Some stories might focus on battles that Goku could have in this form against new and powerful enemies, while others could be about his relationships with other characters while being in this super - powerful state. It really depends on what you're interested in.
One common theme is power exploration. Writers often explore the full extent of Goku's SSJ4 power in Dragon Ball Super scenarios. Another is the idea of new battles. Fans like to imagine Goku in SSJ4 facing off against different villains. Also, friendship and family themes are common, like how Goku's new power affects his relationships with his friends and family.
One interesting story could be about a new villain who forces Goku to reach the SSJ4 form in a completely different way. Maybe he has to combine his Saiyan powers with some ancient energy source on a new planet. Another could be a fanfiction where Vegeta finally masters the SSJ4 form before Goku and has to face a powerful foe alone.
The fanfic could tell a story of the Future Warrior teaching the Dragon Fist to a new generation of fighters. He would have to pass on not only the physical technique but also the mental discipline required to use it effectively. This could involve stories of his own experiences and how he overcame difficulties to master the Dragon Fist.
Goku is almost always a main character. His journey to master or use the SSJ4 form in new and exciting ways is a common theme. Vegeta is also often included, especially when it comes to rivalries and his own pursuit of power in the form of SSJ4. Sometimes, other Saiyans like Trunks or Goten might also be featured, especially if the story involves the next generation of Saiyans and their relationship with the SSJ4 transformation.
Sometimes, an original character created specifically for the fanfiction could be a main character. This character could be a mentor - like figure who teaches Naruto about the dragon fist. They might have a deep knowledge of the technique's origin and its true potential, guiding Naruto on his journey to master it.
In some fanfictions, the dragon fist technique could be passed down from an ancient clan that Naruto has a connection to. Maybe the dragon fist was lost over time, but Naruto, with his determination, rediscovers it and masters it. He then uses it to defeat powerful enemies that the normal ninja techniques couldn't handle. This could add a whole new layer of mystery and power to Naruto's character.
The fanfic could explore the origin of the Dragon Fist in the context of the Future Warrior. Perhaps it was a technique passed down in the warrior's family but lost over time. The Future Warrior then has to rediscover its true power and meaning through a series of trials and ancient scrolls.