A cool concept could be that Vegeta gets transported to Gotham City. He initially clashes with Batman due to their different methods, but they eventually work together to take down a powerful new enemy that is a threat to both their worlds.
Gohan and Robin would be an interesting pairing. Gohan, with his intelligence and powerful fighting skills, could bond with Robin over their shared smarts and desire to protect their respective worlds. They could exchange knowledge about combat strategies and detective work.
One good one might be 'Gohan and 18's New Adventure'. It explores their relationship in a new and exciting way, with Gohan's Saiyan powers and 18's android abilities coming together in unique battles and situations.
One popular 'dbz broly x trunks fanfic' is 'The Unlikely Bond'. It explores an interesting dynamic between them as they face a new threat together in a creative storyline.
There could be. A lot of Dragon Ball Z fanfic writers like to explore different character relationships. However, the quality can vary a great deal. You might have to dig through a few not - so - great ones to find a really good 'dbz trunks x pan fanfic'. It depends on what you're looking for in terms of plot, writing style, etc.
One common theme is friendship. Since they are from different backgrounds in the DBZ world, exploring how they become friends and support each other is popular. For example, in some fanfics, they start as rivals but end up being close friends.
An idea could be that Cabba and Caulifla are chosen to represent their universe in a multiverse tournament. They train hard together, pushing each other to their limits. During the tournament, they face off against powerful opponents from other universes. Their teamwork and combined power help them win some tough battles, and they gain a new level of respect for each other.