One common theme is his struggle with identity. His trauma of being an orphan and the Jinchuriki made him question who he really was. In fanfiction, this can be explored further, like when he meets someone who knew his parents and he starts to reevaluate himself.
One common theme is the search for identity after trauma. Characters often struggle to figure out who they are in the wake of a traumatic event. Another is the theme of resilience. It shows how characters find the strength to keep going despite their traumas.
One common theme is growth. Naruto has to grow into his new job role, whether it's as a leader, a teacher, or something else. For example, in fanfictions where he becomes a leader, he has to learn how to make tough decisions. Another theme is inspiration. His character often inspires others in his new job, like when he's a teacher, he motivates his students to be better ninjas.
One common theme is friendship. Despite their differences and the rough patches in their relationship, fanfictions often explore how deep down they are friends. For example, in many stories, they'll come to each other's aid when no one else will.
One common theme is redemption. Since Tayuya was initially an antagonist, many fanfictions focus on her journey towards redemption, often with Naruto as a catalyst. For example, he might show her a different way of life or make her question her loyalty to Orochimaru.
Another theme is the exploration of the Inuzuka clan's unique abilities. Fanfictions might focus on how Naruto can learn from the Inuzuka's skills, like their connection with their ninja dogs. It could be a story where Naruto tries to incorporate some of their tracking abilities into his own fighting style.
In some fanfictions, Naruto's trauma might be shown through his nightmares. For example, he could be constantly haunted by memories of his lonely childhood, like the times when he was shunned by the villagers. These nightmares could disrupt his sleep and make him more on edge during the day.
Trauma stories often deal with themes like recovery, inner strength, and the impact on relationships.
One common theme is power struggle. Naruto constantly battles with the Kyuubi's influence over his own power. Another theme is acceptance. Naruto has to come to terms with the fact that he has the Kyuubi inside him. And there's also the theme of isolation. Because of the Kyuubi, Naruto is sometimes ostracized by the villagers. In fanfiction, these themes are often explored more deeply and in different ways than in the original series.
One common theme is the interaction between civilians and ninjas. It could show how civilians view the ninjas' power and the ninjas' responsibility towards the civilians. For example, in some fanfictions, civilians might be in awe of the ninjas' abilities but also fear the destruction that can come with ninja battles.
One common theme is the struggle for identity. After experiencing trauma, characters often question who they are. Another is the search for healing and redemption.