Redemption is also a theme. Sometimes the oc has a troubled past or makes mistakes. In the fanfiction, they go on a journey to redeem themselves. This could be related to using their powers for good in both the Naruto and Dragon Ball Z settings. For instance, an oc who was once on the wrong side may decide to protect the villages in both universes.
Power - up themes are common. Since both Dragon Ball Z and Naruto have characters evolving in power, fanfictions often focus on how the oc can gain new powers. For example, an oc might learn new jutsu from Naruto's world while also achieving Super Saiyan - like forms from DBZ.
Strength in the face of adversity is a frequent theme. These female saiyan ocs usually face many challenges, whether it's from other Saiyans, villains from other planets, or just the general difficulties of their situation. Also, the theme of loyalty, either to their Saiyan roots or to new friends and allies they make, is quite common. For example, in some fanfictions, a female saiyan oc has to choose between loyalty to her Saiyan heritage and the new values she has learned on Earth. This creates a lot of internal conflict and makes for an interesting story.
A frequent theme in 'naruto dbz harem fanfiction' is the growth of the main character through relationships. The harem members often help the main character, who is usually a mix of Naruto - like and DBZ - like qualities, to become stronger both in power and in character. Also, adventure is a common theme as the character travels between the two universes and faces various challenges in both.
One common theme is power struggle. Since Frieza is a powerful villain in DBZ, when a male OC is introduced, there's often a struggle for power or dominance. For example, the OC might have powers that rival Frieza's and they constantly test each other.
In male oc dbz fanfic, the theme of survival is quite common. The male oc has to survive in a world full of powerful enemies and dangerous situations. Another theme is the search for identity. Since they are original characters, they often struggle to define who they are in relation to the well - known DBZ characters. And of course, the theme of heroism is there. The male oc usually aims to be a hero in the DBZ universe, saving the day and protecting the innocent.
One common theme is self - discovery. The oc often has to figure out their place in the Naruto world, their abilities, and their purpose. Another theme is friendship. Just like in the original Naruto series, the oc forms bonds with other characters, whether it's with Naruto and his friends or other original characters. Also, power - seeking is a theme. The oc may strive to become stronger, either to protect themselves or to achieve a certain goal in the ninja world.
A common theme is power. Since Cell is a powerful character in DBZ, often in 'cell x oc dbz fanfic', the OC might be on a journey to gain power or deal with Cell's power. Another theme is redemption. Sometimes the fanfic might explore Cell's character in a way that gives him a chance at redemption through his relationship with the OC.
Well, in these types of fanfics, a common theme is the fusion of different universes' elements. Naruto and DBZ have very distinct power systems, so seeing how they interact is a big part. Also, for Femsasuke, themes of redemption or forging a new path can be present. Femsasuke might have to deal with the expectations and legacies of the original Sasuke in a different way, which can add a whole new layer of drama to the story.
In 'naruto x oc fanfiction', a major theme is the clash of different worlds. The OC comes from their own world or background and has to adapt to the Naruto world. Another theme is redemption. Sometimes the OC has a past they need to atone for. And family is also a theme. The OC may find a new family among the Naruto characters or be dealing with their own family issues in this new world.
Well, a big theme is the pursuit of power. These boy OCs want to be strong ninjas like Naruto. They train hard and face many challenges on their way to power. Also, the theme of acceptance is quite prevalent. They might be different from the normal ninja in the village, so they have to strive for acceptance from the villagers and their peers. For instance, an OC with a unique jutsu might be initially feared but later accepted.
In 'naruto oc girl fanfiction', a frequent theme is the struggle for acceptance. Since she's an original character, she has to prove herself to the existing characters in the Naruto universe. Also, the theme of power - seeking is common. The oc girl might be on a quest to gain more power, either to protect herself or for some other noble cause. And of course, the theme of loyalty, to her friends, her village or her own beliefs is often explored.