Well, in such a fanfic, Naruto's rage might manifest as a sudden burst of power during battles. For example, when facing a strong enemy, his anger could make his attacks more intense and less controlled. He might also be more reckless in his actions, not thinking about the consequences as much because the rage is clouding his judgment.
First, you need to understand Naruto's character. Think about what would really make him angry. Then, create a plot that revolves around that source of anger. For example, if it's the Akatsuki causing trouble, build on how Naruto would react in a rage.
One good 'Naruto is rage' fanfic could be 'Naruto's Rage Unleashed'. It might explore Naruto's darker side and how his pent - up anger shapes his actions and relationships. Another could be 'Raging Naruto: A New Path' which might show Naruto using his rage as a power source in unique ways.
Well, in 'naruto rage fanfiction', a frequent theme is the transformation of Naruto's character. His rage can make him more aggressive and less forgiving. Also, the theme of isolation can be present. As he becomes consumed by rage, he may push away his friends. For example, some stories show how his rage over a betrayal causes him to cut off ties with certain characters. Another theme could be redemption. He has to find a way to control his rage and redeem himself in the eyes of others or in his own eyes.
Power enhancement is a common theme. Naruto's blood rage often gives him a boost in power, allowing him to overcome tough opponents. For example, in many fanfictions, he can defeat enemies he couldn't before when the blood rage kicks in.
Another theme is the clash of cultures. In a 'naruto rage crossover fanfiction', Naruto's ninja - based culture collides with the culture of the other world he crosses into. His rage could be a result of misunderstandings or attempts to protect his own values. For instance, if he crosses into a world where honor is defined very differently, he might get angry when his ninja honor is questioned.
Naruto himself often features prominently in such fanfiction. His already strong will and determination can be combined with the rage bloodline to create a really powerful version of him. Sasuke is also a popular choice. His brooding nature and quest for power can be intertwined with the rage bloodline in interesting ways.
He might also lose some of his self - control. Rage can often make a person act without thinking, and Naruto in this fanfic would be no different. This could put him in dangerous situations where he's not fully aware of the risks, like running into a trap because his rage blinded him to the signs.
One common theme is revenge. Since Naruto has a lot of enemies and a tragic past in the original series, in rage - filled fanfiction, he might be driven by a desire for revenge against those who wronged him or his village. Another theme could be power. His rage might fuel his pursuit of greater power to protect himself and others. And also, there could be themes related to isolation, as his rage might make him push people away or make others fear him.
Well, there could be a 'Naruto Rage Fanfic' where Naruto is enraged by the constant discrimination against the Jinchuriki. He decides to take a stand and train in secret to become so powerful that no one can ever look down on him or other Jinchuriki again. This could lead to epic battles and new alliances as he tries to change the shinobi world's view.