Another theme is identity. Naruto has to deal with being the host of the Nine - Tails, and fanfictions often dig deeper into how this affects his sense of self. He may struggle with being seen as a monster because of the Nine - Tails, or he may find new ways to embrace this part of himself.
Friendship is also a big theme. Naruto's friends play important roles in how he copes with the Nine - Tails. In fanfiction, they might help him control the Nine - Tails better, or they could be in danger because of Naruto's connection to the Nine - Tails, which then tests their friendship in different ways. The relationships between Naruto and his friends are often re - examined and developed further in these stories.
One common theme is the exploration of power. Vergil has his own set of powers and the nine - tailed fox is a very powerful and mystical being. So, many fanfictions explore how their powers interact, whether they clash or combine in some way.
Power control is a common theme. Since the four - tailed beast is a powerful force, many fanfictions deal with Naruto trying to master this power. For example, he might face internal struggles as the power of the four - tailed beast threatens to overwhelm him.
One common theme is power. The nine - tailed fox often represents a powerful and mysterious force in these fanfics. Another theme is adaptation. It shows how the RWBY characters adapt to the presence of the nine - tailed fox. For example, in some fanfics, Ruby has to learn new ways to fight against the powers of the nine - tailed fox.
There are fanfictions where the Nine - Tailed Fox has a split personality. One side is the fierce and powerful beast, and the other is a more gentle and understanding entity. Naruto has to deal with both sides, which creates a very complex and different kind of relationship compared to the original series. This can lead to some really interesting character development for Naruto as he tries to balance and understand this unique relationship.
One common theme is the struggle with identity. Since she's the daughter of a tailed beast, she might not be fully accepted by humans or even by the tailed beasts themselves at first. Another theme could be power. She may inherit great power from her tailed beast parent and have to learn to control it. Also, there could be themes of friendship. For example, she might form unique bonds with Naruto and his friends as they understand her situation.
In fanfiction, when Naruto unleashes the Nine - Tailed Fox, it often leads to intense and action - packed scenes. Writers might explore the raw power Naruto gains, how it affects his relationships with friends like Sasuke and Sakura. For example, they could be in awe or even a bit scared of this new, more powerful Naruto.
In RWBY fanfiction, the concept of Naruto's Nine - Tailed Fox could be really interesting. One way it could be incorporated is by having a character in the RWBY universe inherit the power of the Nine - Tailed Fox somehow. Maybe a Grimm could be created that has similar characteristics to the Nine - Tailed Fox, like its powerful chakra - like energy. This would add a whole new level of danger and mystery to the RWBY world.
In many Naruto fanfictions, the concept of Naruto becoming the Nine - Tailed Fox can be really interesting. It could potentially change the entire dynamic of the story. For example, his relationships with his friends and foes might be completely different. He might be seen as a more dangerous and unpredictable force, which would lead to different reactions from characters like Sasuke or Kakashi.
When it comes to Sasuke, the Nine - Tailed Fox Faunus could be seen as a threat at first. But as the story progresses, they might find common ground in their pursuit of power and their desire to protect their own kind. The faunus could show Sasuke a different side of power, one that is more in tune with nature.
One common theme is power combination. Since Naruto has the power of the Nine Tails and RWBY characters have their own unique abilities, fanfictions often explore how these powers can be combined or contrasted. For example, Ruby's speed might be paired with Naruto's agility enhanced by the Nine Tails.