The discovery of the book might lead Naruto to new allies. Say the book has a mark on it that is recognized by a group of ninjas from a far - off land. They come to find Naruto, thinking he has some connection to their lost heritage. Together, they could go on quests and Naruto could learn new skills from them.
It could also change his perspective on the ninja world. If the book details the dark secrets of the shinobi clans, Naruto might start to question some of the long - held traditions. This could lead to him trying to reform certain aspects of the ninja world, causing both support and opposition from different groups. He would have to navigate through these new challenges, which would be very different from his usual battles against villains.
If Naruto finds a buried book, it could speed up his training. For instance, if the book contains advanced chakra control techniques, he can quickly master them and become stronger.
If the book contains powerful jutsu techniques, Naruto's combat abilities will improve. He might learn new ways to use his chakra or combine his existing jutsus in unexpected ways.
In the fanfiction, when Naruto learns of his heritage, he often becomes more confident. Knowing where he comes from gives him a sense of purpose. He might start to train harder, believing that he has a greater destiny due to his lineage.
Well, it could strengthen his bond with some characters. For example, he might feel a closer connection to his clan members if he discovers his heritage. He could also gain new respect from his peers who now see him in a different light, perhaps as a more important figure within the village due to his lineage.
His relationship with Sasuke might change. Sasuke might initially be confused or even critical of Naruto without his headband. But as Naruto shows his determination without it, Sasuke could gain a new respect for him. With his friends like Sakura, they might be more protective of Naruto, fearing that others will target him without the symbol of his ninja status.
His relationship with Sasuke would be very different. Instead of being a peer trying to bring Sasuke back, he'd be more like an older figure. He might be someone Sasuke looks up to or even fears because of his power and knowledge at that age. Naruto would also have a different relationship with Kakashi. He'd probably be more of an equal to Kakashi in terms of combat ability and strategic thinking.
It could greatly enhance his skills. If he finds valuable resources like new jutsu scrolls or training devices in the cave, he can become stronger. For example, if there's a special training area in the cave that forces him to use his skills in new ways, he'll develop new strategies and techniques.
With Sakura, Naruto's attitude could shift. Instead of being the goofy, love - stricken Naruto she's used to, he could become more distant. He might be so focused on his training with Zabuza that he doesn't have time for Sakura's attempts to get his attention. This could make Sakura feel rejected and lead to some tension between them.
Naruto's friends might be initially suspicious of the new skills and attitude he gets from Slade's training. For example, Sasuke could see Naruto's new combat style as too ruthless and this could create tension between them. Sakura might worry that Naruto is getting too influenced by a dangerous figure. However, if Naruto can show that he's still the same person at heart, they could gradually accept his new abilities.
The village would be in chaos. Naruto was seen as the hope for the future, so his death would leave a huge void. His friends like Sasuke and Sakura would be devastated. They might turn against Naruto's parents, leading to more conflict in the village. Also, the balance of power in the ninja world could shift as Konoha would be weakened without Naruto.
If Naruto were blind in a fanfic, his combat style would have to adapt significantly. He might start using more close - range attacks as it's easier to sense opponents up close. He could also develop new jutsu that are based on his other senses. For instance, a jutsu that creates a shockwave that he can sense the rebound of to detect enemies. His use of shadow clones would also change. Instead of using them mainly for distraction, he could use them as scouts to report back on enemy positions using sound cues.