Naruto's training would likely become more intense. He might focus on mastering new jutsus like the Rasengan variations. He could also train in stealth and strategy more, as those are important for a Chunin. For example, he could practice sneaking up on opponents and setting up traps.
Maybe he realizes the exam is too dangerous or he discovers some unfairness in it. In the original Naruto story, Naruto has faced many difficulties and moral dilemmas during the Chunin Exam. So in the fanfiction, similar situations might push him to quit.
She might be heartbroken. Hinata, being a shy and sensitive person, would likely retreat further into herself. She may feel that all her efforts to be brave and show her feelings to Naruto have been in vain.
One possible plot twist could be that Naruto has to face an unexpected opponent during the Chunin Exams. Maybe a rogue ninja infiltrates the exam and targets Naruto specifically because of his Nine - Tails power. Another twist could be that the rules of the Chunin Exams are suddenly changed in the middle, forcing Naruto to adapt quickly. For example, they might add a team - vs - team battle where Naruto has to work with his former rivals.
When Naruto passes the Chunin Exam in fanfiction, his confidence would soar. He'd start to see himself as more of a capable ninja. He might become more of a leader among his peers, as passing the Chunin Exam is a sign of growth. For example, he could start giving advice to younger ninjas.
In some fanfictions, Naruto might be depicted as cheating in the Chunin Exams. However, this is a deviation from the original Naruto story where Naruto is known for his hard - working and honest nature. Fanfiction writers sometimes take creative liberties to explore different scenarios, but it doesn't represent the true essence of Naruto's character in the main canon.
On a broader scale, Naruto's achievement as a Chunin could affect the relationships between the Hidden Leaf and other ninja villages. Other villages might view the Hidden Leaf as even more powerful or might be more cautious in their interactions with it. His new rank could also open up opportunities for diplomatic missions or alliances that weren't possible before.
Fanfiction could give Naruto godlike powers in various ways. It could be that he is exposed to some kind of ancient and powerful energy source during his training. Or perhaps he undergoes a transformation that not only enhances his physical and ninjutsu abilities but also gives him god - like wisdom and understanding. This could involve him learning from the spirits of past great ninjas and integrating their knowledge and powers into himself, making him a truly formidable and godlike figure.
In the fanfiction, after they become Chunin, they might be assigned on more difficult missions together. This would force them to rely on each other even more. They could have long conversations during these missions, discussing their past experiences, their families, and their dreams. Naruto might share his dream of becoming Hokage in more detail with Shikamaru, and Shikamaru could talk about his desire to make the village a better place using his intelligence. Through these shared experiences and conversations, their friendship would grow deeper.
In fanfiction, Naruto often changes in terms of his combat skills. He might pick up new jutsu faster and use them more creatively during the Chunin Exams. For example, he could combine his Shadow Clone Jutsu with some new elemental attacks he's learned, showing a growth in his strategic thinking on the battlefield.