His old mentor, Iruka, might visit. Iruka has always cared about Naruto. He could bring some supplies and words of encouragement. He might also be worried about Naruto's well - being and want to make sure he's okay living in the cave.
The fanfiction could also be about Naruto's self - discovery. Living in the cave gives him solitude, which he has rarely had. He could be reflecting on his past, his relationships, and his purpose. He might use the resources in the cave to create a new home for himself and develop a deeper connection with nature around the cave.
Maybe some of the younger ninja like Boruto or Sarada could stumble upon Naruto's cave while on a training mission. They could be curious about this strange hermit - like figure in the cave and later realize it's Naruto. This could lead to a mentoring - like relationship between Naruto and the new generation.
Well, it could be that Naruto is exiled for some reason and has to live in a cave. In the cave, he discovers some ancient secrets or artifacts. These could be related to the origin of chakra or some long - lost ninja techniques. He then uses this knowledge to his advantage and maybe even changes the ninja world for the better.
The following were some recommendations for the male protagonist who lived in a cave in ancient novels, such as " Abduct a Hunter to Live in Hermitage " and " Leisure Paradise." These two novels were about a cold-blooded killer and a lonely, cold-hearted teenager living together in the mountains and creating an ideal place of seclusion, living a happy life of seclusion. These novels might satisfy your needs for ancient novels with the male protagonist living in a cave.
There could be a rogue ninja hiding in the cave. This ninja might be on the run from the authorities and has some secrets that Naruto is interested in. Maybe they end up teaming up for a while.
Well, in the cave in Naruto fanfiction, there could be a secret training session. Naruto might discover a new jutsu there, hidden by an ancient ninja. It could also be a place where he meets a mysterious character who gives him some crucial advice for his future battles.
Maybe it's not a trap set by enemies, but rather an old self - defense mechanism of a long - lost village. The cave might be set to protect something precious within, and Naruto's presence accidentally triggered the defenses.
It might be about Naruto living freely in a sense that he can make his own choices regarding his relationships. For example, he could choose his friends and allies more freely without political interference. In this fanfiction, he might not be bound by the traditional shinobi rules and hierarchies, allowing him to interact with different clans and villages on his own terms.
He could also interact with the scientists on Pandora. They might be interested in Naruto's abilities and study him. Naruto could in turn learn about their technology, which is so different from what he has in his own world. He might even help them solve some problems they have on Pandora using his ninja wisdom.