One common theme could be Sakura being haunted by something. It could be a vengeful spirit from her past actions in the Naruto world, like someone she couldn't save. Another theme might be her being in a haunted location, such as an old, abandoned ninja hideout.
Often, there are themes related to the corruption of her medical ninjutsu. For example, instead of healing, her chakra could be used to cause harm in a very scary and unexpected way. There might also be themes where she is pitted against an unknown and extremely powerful dark force that she has to fight alone, and the horror comes from her struggle and the unknown nature of the threat.
Another theme is relationship changes. As Sakura changes, her relationships with Naruto, Sasuke, and other characters also shift. For example, she might become more of an equal to them instead of being in the background. Sometimes, her changed self can also lead to new romantic interests or different kinds of friendships. It's really interesting to see how the whole Naruto universe is affected by her transformation.
One common theme is sacrifice. Sakura might get hurt while sacrificing herself to protect her teammates. This shows her loyalty and courage. For instance, she could jump in front of an attack meant for Naruto or Sasuke.
A common theme is the struggle between good and evil. Sakura, representing good, has to face the demons which are the embodiment of evil. Another theme could be sacrifice, where Sakura might have to give up something to defeat the demons.
One common theme could be survival. Sakura would have to find ways to survive in the prison environment. Another might be friendship, as she could form bonds with other prisoners. Also, themes of redemption might be present if she has to atone for something in the story.
Growth is a common theme. Writers often focus on how Sakura grows from a young, inexperienced girl into a strong and capable ninja. Another theme is friendship, as her relationships with Naruto, Sasuke, and others are crucial to her development.
Friendship or partnership is also a major theme. Sakura forms a bond with the dragon, whether it's a deep friendship or a strategic partnership. This bond often helps her in her journey, like when they fight together against common enemies or when the dragon helps her overcome personal struggles.
One common theme is self - growth. When Sakura is alone, she often has to rely on herself, which forces her to develop her skills and become stronger. For example, she might learn new jutsu on her own.
One common theme is growth. Sakura often has to grow both as a ninja and as a person in these fanfictions. Another theme is the exploration of her hidden abilities. Since she's in the ANBU, she gets to show skills that were perhaps not as prominent before.
The theme of change is also prevalent. When Sakura becomes kage, she brings about changes in the village, whether it's in the way shinobi are trained, how the village is protected, or the relationships with other villages. It shows how her unique perspective as a kage can transform the village for the better.
Friendship and camaraderie within the police force. Sakura forms bonds with her fellow officers, and these relationships play an important role in her growth. They support each other during tough times and celebrate victories together.