One idea could be Gohan in his Super Saiyan 4 form facing a new, powerful enemy from another dimension. He could struggle at first to control the raw power of this form while also trying to protect his friends and family. Maybe this new enemy has the ability to nullify the Saiyan's energy attacks, forcing Gohan to rely more on his martial arts skills that he learned from Piccolo.
In a fanfiction, Gohan as Super Saiyan 3 could be involved in a time - travel adventure. He travels back to a crucial point in Dragon Ball Z history and has to use his Super Saiyan 3 powers to change certain events. This could lead to a whole new timeline where things are different. For example, he might be able to prevent the destruction of Planet Namek or save some characters who originally died.
Gohan's character often develops by learning to control his Super Saiyan 3 power better. He might start out as a bit reckless with it and then grow more disciplined. For example, he could initially use it to show off but later realize the responsibility that comes with such great power.
One idea could be Gohan struggling to control the new power of the Super Saiyan God. He might accidentally cause some destruction while training and then have to deal with the guilt and the fear of his power getting out of control.
Another possible ending is that Gohan sacrifices himself to defeat Cell. He could use a self - destructive move that not only takes out Cell but also costs Gohan his life. This would be a very dramatic and tragic ending, but it would also show Gohan's selfless heroism.
It would likely include epic battles. Gohan in his Super Saiyan 4 form would engage in intense combat against strong adversaries. His power would be on full display, with energy blasts and super - fast movements.
One common plot twist could be Gohan suddenly losing his Super Saiyan 3 powers due to some external force like a new villain's special ability. Another might be Gohan discovering a hidden potential within his Super Saiyan 3 form that allows him to do something extraordinary, like time - travel. And sometimes, a plot twist could involve Gohan's Super Saiyan 3 form being merged with another power source, creating an entirely new and unexpected power - up.
One possible plotline could be Gohan exploring the new powers of Super Saiyan 5. He might face a new, extremely powerful enemy that even the other Z - fighters can't handle. For example, a powerful alien from a far - off galaxy who has come to Earth to claim it as his own. Gohan, in his Super Saiyan 5 form, would have to learn to control his power quickly to defend his home. Another plotline could involve Gohan training others to reach the Super Saiyan 5 level. He could start a new school or training regime on Earth to prepare the younger generation for future threats.
Trunks could also be a popular character in such fanfictions. He might be curious about Gohan's interactions with Cell and get involved in their affairs. His time - traveling knowledge could add an interesting twist to the story. Also, Vegeta could be included. His pride might not allow him to accept Gohan getting too close to Cell and he could try to put an end to their relationship or partnership in the fanfiction.
Gohan could become more of a leader. With the power of Super Saiyan 5, he would be one of the most powerful beings in the universe. Other Z - fighters might look to him for guidance and leadership. This could bring out a more assertive side of his personality. He would need to step up and make tough decisions for the greater good, which would shape his personality in a more authoritative way.