The theme of redemption can also be present. Maybe Cell, who is often seen as a villain, has a chance at redemption through his interactions with Bardock. Bardock, with his sense of justice, could influence Cell to change his ways. This could be shown through a series of events where Cell starts to question his actions and motives after seeing Bardock's selfless acts.
One common theme is redemption. Since Bardock is revived, he often has a chance to make up for past mistakes. Another is the exploration of new powers. Revived, he might have different or enhanced abilities. And there's also the theme of adapting to a new world, as the world he returns to may be very different from when he died.
Love and friendship are common themes. Since they are two characters, the development of their relationship, whether it's platonic or romantic, can be a central theme. It can show how they support each other through difficult times.
A possible fanfic could involve Towa and Mira trying to manipulate the events of the Cell Games for their own gain. They might see Cell as a powerful weapon or an opportunity to disrupt the timeline further. Bardock, on the other hand, could be the wildcard who tries to stop their evil plans. He might have a moral compass that is different from the other villains and decides to protect the innocent, especially since he has a connection to Goku.
Another theme is power transfer or inheritance. Some fanfics might have Bardock passing on some hidden power or knowledge to Goku. This could be related to their Saiyan abilities or some special technique that only their family line can access. There is also the theme of redemption in some cases. If Bardock is brought back in a fanfic, he may seek to atone for his past actions through his relationship with Goku.
One common theme is loyalty. Given their status as Saiyans, loyalty to their race and to each other is often explored. Another theme could be survival, as they live in a rather harsh universe. For example, they might have to fight against powerful foes together to survive.
One common theme is the clash of ideologies. Goku is all about protecting the innocent and having a fair fight, while Cell is more about self - preservation and domination at first.
Power is a very common theme. Fans often explore who would be more powerful in different situations or how they could combine their powers. Another theme is rivalry, as they are both powerful villains in the Dragon Ball universe. Their personalities also play a big role, with themes of pride and ego often coming up.
Bardock could be a time - traveling hero. He arrives during the Cell Games and his raw Saiyan power surprises everyone. Towa and Mira could be the antagonists who want to use the chaos of the Cell Games to steal energy or something. Bardock then has to stop them while also dealing with Cell.
Well, one great 'cell bardock fanfic' might be one where Cell and Bardock are forced to team up against a common enemy. They start off hating each other but gradually learn to respect one another's skills during the fight.
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.