One challenge could be getting the necessary resources. Uzushiogakure was destroyed long ago, so finding materials to build the village again would be tough. He might have to negotiate with other villages for supplies.
In some fanfictions, Naruto might use his strong influence and the power of his bonds. He could convince the other villages to help, pooling resources like building materials and ninja manpower. With his own Uzumaki heritage and knowledge of Uzushiogakure's past, he'd guide the reconstruction process.
He faces many challenges like dealing with hostile forces trying to stop him and finding resources to build the village.
He might encounter unique and dangerous beasts in Uzushiogakure. Fanfiction often has new and exciting creatures for the protagonist to face, and Uzushiogakure's different environment could be home to such beasts.
In the Naruto universe, bringing someone back from the dead is extremely difficult. While there are some jutsu like the Edo Tensei that can reanimate the dead, it has its limitations and is often considered dark magic. For Naruto to revive Jiraiya, he would need to find a way around the natural laws of life and death. However, in fanfiction, anything is possible as it allows for creative interpretations and bending of the established rules.
One consequence could be that Naruto is seen as a hero by some, but also as a rule - breaker by others. The ninja world has rules about bringing back the dead, and Naruto's actions might stir up controversy. Some might fear that this new ability of his could be misused. Haku, on the other hand, would have to adjust to a world that has changed since his death. He might face challenges in reconnecting with his old friends or finding his place in the new ninja world.
There could be some of the older Uzushiogakure ninjas who survived the previous disasters. They would play an important role in guiding Naruto about the secrets of the village. And maybe some new characters could be introduced, like a young Uzushiogakure ninja who looks up to Naruto and helps him in his quest to save the village.
Well, Naruto might face environmental challenges. For example, if the toddler is in a swampy area or a place with a lot of quicksand. Naruto has to navigate through these difficult terrains while protecting the toddler. Also, if there are other threats around like poisonous plants or insects, he has to be aware of them too. He can't just focus on getting the toddler out, but also has to ensure their safety during the whole process. This requires his full attention and all his ninja knowledge.
Obviously, Naruto would be one of the main characters. He's the driving force behind the rebuilding of Uzushiogakure. Hinata might also be involved, as she is Naruto's wife and could offer her support, perhaps in terms of taking care of the villagers' needs. Another character could be Kakashi. His experience and wisdom would be valuable in guiding Naruto through the process, especially when it comes to handling political aspects or dealing with potential threats.
Well, it could be that Naruto discovers some ancient evil is threatening Uzushiogakure. So he uses his signature jutsu like Rasengan and Shadow Clone Jutsu to fight off the villains. Maybe he teams up with some of his friends or discovers some new power within himself along the way.
One possible plot could be that Naruto grows up with a strong connection to the Uzumaki heritage. He might learn unique Uzumaki jutsu from the start. For example, he could master advanced sealing techniques more easily. Also, his personality might be shaped differently. Instead of being an outcast in Konoha, he could be a respected member in Uzushiogakure, growing up with a sense of pride in his clan.