A common theme is the crossover of powers. Since Ash has his Pokemon abilities and the Dragon Ball Z characters have their ki powers. Another theme is friendship, as both series value strong bonds between characters. So, in fanfiction, you often see Ash forming new friendships with Goku and others.
One common theme is the exploration of Saiyan biology. Since Saiyans are carnivores, fanfictions often delve into how this affects their growth, strength, and overall lifestyle. For instance, how their diet might be different during intense training periods.
One common theme is Marron's growth as a character. Fans often like to write about how she becomes stronger, more confident, and independent.
Power is a common theme. Since Beerus is extremely powerful, many fanfictions explore his power, how he got it, and how he uses it. Another theme is his relationship with other characters, like Goku. Some fanfictions also focus on his role as a God of Destruction, the responsibilities and the consequences of his actions.
One common theme is the characters in a highschool setting while still having their Dragon Ball Z powers. For example, Goku might be a student who has to hide his Saiyan strength from his classmates.
Another theme is his relationships. This can include his friendships with other characters from the Dragon Ball Z universe. For example, how he interacts with Goku or Vegeta, and how those relationships develop over time. Some fanfictions also explore possible romantic relationships for Shallot.
In 'Dragon Ball Z Harem Fanfiction', a common theme is the integration of different species. Since Dragon Ball Z has a wide variety of species like Saiyans, Namekians, etc., the harem often consists of characters from different species. This leads to themes of acceptance and understanding among the characters. Another theme is the role of friendship within the harem. Even though it's a harem, the characters also form strong friendships with each other. And, the theme of rivalry can also be seen. Sometimes, the female characters in the harem may be rivals for the attention of the male lead, which adds drama and tension to the story.
Another theme is friendship. When Naruko enters the Dragon Ball Z world, she forms new friendships with the characters there. It shows how characters from different universes can bond over shared goals, like protecting the world from powerful villains. This is often explored in a detailed way, showing how their different personalities interact. For example, Naruko's headstrong nature might clash with Vegeta's pride at first, but then they learn to work together. It's really interesting to see how these relationships develop over time.
The theme of identity is also prevalent. The reincarnated characters are in a new body but have old memories, so they struggle with who they are now. And, of course, there's the theme of adventure. They go on quests and battles just like in the original Dragon Ball Z story.
One common theme is friendship. Since Goku and Bulma have known each other for a long time, fanfictions often explore how their friendship has developed over the years.
One common theme is the exploration of Goku's new limits. As he becomes godlike, the stories tend to show how he pushes the boundaries of his power. For example, he might be able to access different dimensions or have control over cosmic forces. Also, the theme of Goku's role in the universe often comes up. Is he a protector? A conqueror? These are questions that fanfictions often explore. In addition, the relationships with his family and friends can change. Some fanfictions show how his new power level affects his relationship with Chi - Chi, for instance. He might be more distant as he is on a different power plane, or he could use his power to better protect his family in ways he couldn't before.