Good character development in a 'Reborn as Goku' fanfiction also involves relationships. The character should interact with the other Dragon Ball characters in a believable way. They might have different reactions to Goku's friends and family compared to how Goku himself would. For instance, they could be more suspicious of Vegeta at first due to their past experiences. As they form bonds with these characters, it should show growth in their personality. They could learn loyalty from Goku's friends and become more selfless in the process.
For Goku's character development, you can explore his family side more. Maybe he realizes that his constant pursuit of strength is affecting his relationship with his family in the fanfic. Vegeta, on the other hand, could start to open up more about his past traumas. He could learn to let go of his pride a bit when he sees Goku's selfless attitude towards others. This would be a significant development for him.
Goku's character development might involve her becoming more aware of her femininity. She could start to notice how others perceive her differently and use it to her advantage in battles. For example, she might use her opponents' underestimation of her because she's a girl to surprise them with her strength.
The character development could be interesting. Goku, now a girl, would have to adapt to different social expectations. She might become more empathetic as she experiences some of the things that female characters in the Dragon Ball universe face. For example, she could be more in tune with the emotional needs of her friends and family.
You need to make the character relatable and give them clear goals and motivations. Also, show their growth and change throughout the story.
In these fanfictions, Goku's character might develop by becoming more in tune with his Saiyan pride under Vegeta's influence. Vegeta, on the other hand, could become more open - minded and less rigid. For example, Goku might start to understand the importance of Saiyan traditions more, and Vegeta could learn to relax a bit and enjoy life on Earth more.
It would likely make him more mature. Knowing about his parents would give him a different perspective on life. He might be less reckless in battles as he now has a family connection to think about.
To write a good 'dark goku fanfiction', you need to give Dark Goku unique abilities or traits that set him apart from regular Goku. You can also add new characters that are either his allies or enemies in this dark version of the story. Make sure to describe his actions and motives in detail. For instance, if he's attacking a planet, explain why he's chosen that planet and what he hopes to gain from it. Also, use vivid language to describe the battles and the dark atmosphere surrounding him.
First, give the reader a unique personality. For example, make them brave but also have moments of vulnerability. Second, give them a backstory that ties into the Dragon Ball universe. Maybe they were a witness to one of Goku Black's early attacks and it shaped their view of him. Third, give them a goal or motivation, like wanting to stop Goku Black's evil deeds not just for the world, but for a personal reason such as avenging a lost friend.
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.
She could form unique relationships that contribute to her character development. Maybe she befriends a non - Saiyan who teaches her about compassion in a way that Saiyans don't usually understand. This friendship could make her question some of the Saiyan values and lead her to become a more well - rounded character, balancing the Saiyan warrior spirit with new - found kindness.