One interesting fanfiction could be about Bills training Goku in a different dimension. This would show a unique side of their relationship, with Bills passing on some of his ancient and powerful techniques.
Archive of Our Own (AO3) is a great place to start. It has a large collection of Dragon Ball Z fanfictions, including ones focused on Bills. The tagging system there makes it easy to find exactly what you're looking for.
There are often fanfictions that explore what - if scenarios. In the context of 'dragon ball z spank fanfiction', it could be something like what if Gohan had chosen a different path in life? Maybe he didn't focus on his studies as much and instead went on a solo adventure to discover new powers. This would change the whole dynamic of his relationships with his family and friends.
There are 'Dragon Ball Z OC Fanfiction' where the OC is a non - Saiyan but has a special connection to the Dragon Balls. For example, an OC who is a wizard from a far - off planet. This wizard could use magic in ways that blend with the ki - based combat of Dragon Ball Z. They might be on a quest to protect the Dragon Balls from an evil force that wants to misuse their power for world domination.
There are fanfictions that focus on the reactions of minor characters. For instance, the reactions of the people on Earth when Cell is about to self - destruct. Some might be resigned to their fate, while others are desperately hoping for a miracle. Also, reactions to Bulma's inventions can be quite interesting. Her time - travel machine or the capsules she creates can cause all sorts of reactions among the characters.
There are fanfictions that focus on the relationships between the characters. For example, a story where Vegeta has to team up with Frieza in an alternate universe to fight a common enemy stronger than both of them. This forces Vegeta to put aside his hatred and work with his old foe, creating an interesting dynamic.
One interesting 'Dragon Ball Z Daughter Fanfiction' story could be about Goku's daughter who discovers a new power that even he doesn't know about. She has to learn to control it while facing off against new villains in the Dragon Ball universe.
One interesting 'Dragon Ball Z OC' fanfiction story could be about an OC who has a unique power that they discover during a battle against a new enemy. For example, an OC might have the power to manipulate time in a very limited way, like slowing down an opponent's attack just enough to dodge. Another could be an OC that is from a different planet but has a connection to the Saiyans. This OC could bring new knowledge about Saiyan history or abilities that were previously unknown.
Adult fanfiction often contains inappropriate content. However, for non - adult - themed Dragon Ball Z fanfiction, there are many great ones about new adventures of Goku and his friends. For example, some might focus on how the characters handle a new and powerful enemy that wasn't in the original series. Another type could be about the relationships between the characters in a more family - friendly and adventure - based context.
There are fanfictions where a gamer character unlocks new and unique powers in the Dragon Ball Z world. This could be like having the ability to level up his ki blasts just like in a game, which gives him an edge in battles against the Saiyans or other foes.
Well, in some fanfiction, Turles is given a redemption arc. He realizes the error of his ways after his defeat by Goku. He then tries to make amends by protecting planets instead of conquering them. Some stories might also involve Turles getting trained by the Kais or other powerful beings to become stronger and use his power for good. And there are fanfictions that put Turles in alternate universes, where he has different relationships with the Z - fighters and different goals.