In these fanfics, a common theme could be the clash of two Saiyan egos. Goku Black, who thinks he's on a mission of 'justice' in his own warped way, and Vegeta, who is always striving to be the best and protect his family and planet. The fanfic might show their first encounter, full of tension and power display. Then it could progress to them gradually understanding each other's motives, or perhaps just remaining bitter enemies. There could also be some interesting takes on how their fighting styles interact, with Goku Black's more unorthodox and Vegeta's traditional Saiyan combat.
Well, in Goku Black x Vegeta fanfics, the power scaling is often a big part of it. Since both are extremely powerful in their own right. Writers might play around with the idea of Goku Black's unique abilities, like his godly ki, and how Vegeta tries to overcome it. It could also be about the emotional side. For example, Vegeta's pride might be challenged in a new way when facing Goku Black, leading to some interesting character development.
One possible analysis could be that it often explores the dynamic between two powerful and complex characters. Goku Black, with his menacing and somewhat twisted nature, and Vegeta, the proud Saiyan prince. In fanfics, their interactions can range from intense battles to unexpected alliances. Maybe it delves into how Vegeta would react to Goku Black's presence, given their different ideologies and power levels.
Many fanfics have a plot where Goku Black challenges Vegeta's place as the second - strongest Saiyan. This leads to a series of battles and power - up moments for both characters. There could also be a plot where Goku Black infiltrates Vegeta's family life, causing chaos and forcing Vegeta to not only protect his family but also prove his worth as a fighter. And sometimes, the plot focuses on the power struggle within the Saiyan race, with Goku Black representing a new and dangerous element to Vegeta's understanding of Saiyan power.
It often starts with a shock or surprise at the mpreg situation. Then, they gradually learn to rely on each other more. For example, Vegeta might start to show a more caring side that he usually hides, and Goku might become more responsible. They'll have to communicate more, sharing their fears and hopes about the future with the baby.
One popular 'Vegeta x Goku' fanfic is 'The Bond Beyond Rivalry'. It explores their complex relationship in a new and interesting way, showing how they gradually come to understand and respect each other on a deeper level.
Well, in a 'Vegeta x Goku' fanfic, interesting elements often include new power - up scenarios for both of them. For example, they could discover a new form together while training. Also, when the fanfic delves into their personal lives and how they interact outside of fighting, like Vegeta's family life and Goku's simple - minded yet pure hearted nature, it becomes really interesting. It's about seeing these two iconic characters in a different light and exploring their relationship from different angles.
A lot of 'dbz goku x vegeta fanfic' has the theme of redemption. Vegeta, in particular, has a complex past, and in these fanfics, his relationship with Goku can be a part of his path to redemption. Also, the theme of family is present as they both have families and their interactions can be influenced by their family values. There's also the overarching theme of the Saiyan pride that they both carry and how it affects their relationship.
The relationship in the 'Majin Vegeta x Bulma Fanfic' can be quite interesting. Majin Vegeta is a character with a new set of emotions and powers. Bulma, on the other hand, is a smart and strong - willed woman. The fanfic may depict how their relationship evolves in the face of challenges, like Vegeta's inner struggle with his new form and Bulma's attempts to understand him. It might also show how their love endures or changes during this unique situation.
Well, if they were brothers in a fanfic, it could change how they interact with the other characters. Maybe they'd have a deeper understanding and fewer power struggles between them. Also, their family background and upbringing could be explored in new and interesting ways.
The plot could start with Vegeta's sister being sent on a mission to Earth. Goku, being the protector of Earth, initially sees her as a threat. But as they interact more, they realize they have a lot in common. They start to explore their feelings for each other secretly. However, Vegeta discovers their relationship and is furious. He challenges Goku to a fight, thinking Goku has betrayed him. In the end, Goku and Vegeta's sister have to prove to Vegeta that their love is real and that it won't harm their relationship as comrades.
One common theme could be the exploration of their relationship in a new and unexpected way. Since it's a fanfic, it might focus on how they deal with the situation of mpreg, like Goku or Vegeta adjusting to the new physical and emotional changes. Another theme could be the reactions of their friends and family to this rather strange occurrence in their world.
I'm not sure of a specific 'Goku x Vegeta's sister fanfic' to recommend. You could try searching on popular fanfic websites like Archive of Our Own or FanFiction.net. They have a large collection of Dragon Ball related fanfics and you might be able to find what you're looking for there.