One way to develop both characters is by putting them in a situation where they have to rely on their wits rather than just their strength. For example, they get trapped in a high - tech prison designed by an enemy. They have to figure out how to escape using their intelligence and the limited resources around them. This would force them to grow in ways that they haven't before and show different aspects of their personalities.
In some fanfictions, their relationship could take a romantic turn. Maybe after going through a lot of adventures together, they start to see each other in a different light. They would then have to deal with the reactions of their friends and family, which would add more drama to the story.
One interesting plot could be Trunks and Goten going on a time - traveling adventure together. They could visit different eras in the Dragon Ball timeline and encounter various versions of their family and friends. Maybe they end up in a timeline where the Saiyans never died out and experience a whole different Saiyan culture.
There are also authors who are great at creating action - packed scenarios for them. One such author is 'PowerWriter'. They often come up with really unique battles for Trunks and Goten, pitting them against powerful foes in really imaginative settings. Their stories really keep you on the edge of your seat.
One interesting fanfiction could be about Trunks and Goten going on a secret adventure to find a new power source for Earth. They might face off against new enemies and discover hidden powers within themselves along the way.
There are authors who are really good at creating complex plotlines involving Goten and Trunks. For example, an author who can write a story where Goten and Trunks are sent to a parallel universe and have to find their way back. These types of stories require a lot of creativity and knowledge of the Dragon Ball Z universe, and the best authors can pull it off while also making the characters feel real and relatable.
One interesting storyline could be Goten and Marron teaming up for a martial arts tournament. They could face various challenges together, like tough opponents and strange tournament rules. This would show their growth as fighters and also their friendship.
One interesting fanfiction could be about Goten and Trunks going on a secret adventure in the Other World. They might encounter old foes and have to use their combined strength and wits to overcome challenges.