One possible plot could be Naruto making great leaps in his ninja skills. He might learn powerful jutsu more quickly under Jiraiya's intense training regime. For example, he could master new forms of Rasengan faster and also gain better control over his chakra.
Naruto would likely become more disciplined. Jiraiya's strict training would force Naruto to focus and follow a routine, which is different from his usual impulsive self.
It could lead to Naruto becoming even stronger and more skilled than in the original story. Jiraiya's training methods might unlock new powers for him.
In the 'naruto trained seriously fanfiction', Naruto could be training with his friends in a more serious way. They might form a special training group where they push each other to their limits. For example, they could be training to improve their teamwork and combination jutsus. Naruto might focus on his speed and strength training while also learning how to better coordinate with his friends' abilities, like Sasuke's Sharingan - based attacks and Sakura's medical and combat skills.
Jiraiya could also train Naruto seriously in fanfiction through intense physical conditioning. He might make Naruto run long distances, climb mountains, or swim across large bodies of water. This would build Naruto's stamina and strength, which are crucial in battle. Additionally, Jiraiya could teach Naruto advanced ninjutsu techniques, like new ways to use his Rasengan or how to combine different elemental jutsus.
Well, Naruto with the Rinnegan trained by Jiraiya would be extremely powerful. Jiraiya could teach Naruto unique ways to use the Rinnegan's abilities. Maybe Naruto would combine Sage Mode with the Rinnegan powers, creating new and unbeatable jutsu. He could also use the Rinnegan's ability to see chakra flow to better understand his opponents and counter their attacks more effectively.
Well, if Jiraiya had trained Naruto from the start, Naruto might have developed a more strategic mindset and better control over his chakra. Also, he could have learned some secret techniques that Jiraiya knew but never got the chance to teach him.
Jiraiya's training methods in the fanfiction are quite diverse. He may start with basic physical conditioning such as push - ups, sit - ups and long - distance running to build Naruto's stamina. Then, he moves on to chakra - based training. He has Naruto practice chakra control by doing things like walking on water or climbing vertical surfaces using chakra. Jiraiya also teaches Naruto about the different types of chakra natures and how to combine them for more powerful jutsus. Additionally, he arranges mock battles for Naruto against various opponents, which could be either real people or summoned creatures, to improve Naruto's battle strategy and reaction time.
Obviously, Naruto himself would be a key character as the story focuses on his serious training. Kakashi could also be important. He might be Naruto's guide in this new training regime, sharing his own experiences and wisdom to help Naruto grow stronger.
In the fanfiction, Jiraiya's training methods for Naruto are comprehensive. Firstly, there's the physical aspect. Jiraiya could be making Naruto do things like carrying heavy rocks for long distances to build up his endurance. For ninjutsu, he'd be teaching Naruto not just new techniques but also how to innovate and combine existing ones. He might also take Naruto on dangerous missions where Naruto has to learn on the fly. Jiraiya would also focus on Naruto's mental strength, teaching him how to stay calm under pressure and not let emotions cloud his judgment during battles.