It could strengthen his bonds with his friends. They would be intrigued by the alien technology and would want to work together with Naruto to figure it out. His relationship with Kakashi, for instance, could become more of a partnership in exploring the new technology. Kakashi's experience and knowledge combined with Naruto's new discovery could lead to some really interesting developments.
His relationship with Sasuke might also change. Sasuke, always after power, might see the alien technology as a means to achieve his goals. This could lead to a new kind of rivalry or, if they manage to communicate well, a new form of cooperation. Naruto would likely try to convince Sasuke to use the technology for the greater good rather than for personal gain. And if Sasuke agrees, it could be a huge step in mending their relationship.
In a Naruto finds ancient technology fanfiction, his relationship with his sensei, like Kakashi, could be affected in an interesting way. Kakashi would be both proud of Naruto for the discovery but also cautious. He would guide Naruto in understanding the technology. This would create a new dynamic in their relationship, with Naruto relying more on Kakashi's wisdom and Kakashi having more faith in Naruto's judgment as he deals with this new and powerful discovery.
His relationship with Sasuke might change. Sasuke could see Naruto's new power as a challenge or something to envy. It might also make Sakura more attracted to Naruto because of his increased strength.
If the summoning contract has a connection to a particular family in the village, it could improve Naruto's standing with that family. He might be invited to their family events and be seen as an honorary member. However, if the contract is related to a dark or secretive part of the village's past, some villagers might be afraid of Naruto and try to distance themselves from him.
With his mentor figures like Kakashi, they would likely try to guide Naruto on how to handle this new discovery. They would caution him about the potential dangers and help him understand the responsibilities that come with possessing such an ancient weapon.
In this type of fanfic, Naruto's friends might become more protective of him. They see him as being alone in the love aspect and might try to fill that void in other ways, like by being even more supportive and spending more time with him. This could lead to some really heartwarming friendships.
On the positive side, it might inspire new technology in the ninja world. The unique energy and design of the lightsaber could give the ninja inventors new ideas. For example, they could try to create a similar type of weapon that uses chakra instead of the lightsaber's energy source.
His friends might be a bit wary of the sentient weapon at first. Sasuke, for instance, might be suspicious and think it could be a danger. But Naruto would try to convince them that it's okay. Over time, if the weapon proves useful, they could come to accept it.
Well, his friends might start to feel like he's drifting away. Since he's hiding his strength, he can't fully participate in training or battles as they expect. For example, Sakura might think Naruto is being lazy or not trying hard enough, which could create some tension between them.
His malnourishment could make his friends worry more about him. For example, Sakura might start to be more motherly towards Naruto, constantly trying to get him to eat proper meals. His relationship with Sasuke could also change as Sasuke might initially look down on Naruto for being weak because of the malnourishment, but then as he sees Naruto's determination to overcome it, he gains a new respect for him.
His relationship with Sasuke would become more complex. Sasuke, as an Uchiha, might feel threatened or intrigued by Naruto having the Sharingan. They could have a new level of rivalry or a new form of cooperation.