His training would likely be more intense. Since Kyuubi is a very powerful being, she would push Naruto to his limits. For instance, she might teach him more advanced chakra control techniques earlier than in the original story.
The training might also be more dangerous. Kyuubi could expose Naruto to harsher conditions to make him stronger. Maybe she'd send him to fight powerful demons or practice in dangerous terrains. However, this could also lead to Naruto developing unique skills faster, like better survival skills or more powerful combat techniques.
His training would likely be more intense. Since he has the blood of Kyuubi, he might have a natural affinity for chakra control and large amounts of chakra. So, his training could focus on refining and mastering this huge chakra reserve from an early age. For example, he could be taught advanced chakra - based jutsu much earlier than in the original story.
His character development would likely be much darker. He would lack the initial source of love and support that Kushina was supposed to provide. This could make him more distrustful of others. For example, he might not be as quick to form bonds with his teammates in the same way he did in the original story.
In Uzushiogakure, there could be a greater emphasis on stealth and guerrilla - like tactics. Naruto's training would then include learning how to move quietly, set traps, and ambush enemies effectively. This would make him a more well - rounded ninja, as these skills would complement his existing strength and determination. Additionally, he might train with different weapons that are more common in Uzushiogakure, such as specialized water - resistant blades.
His training would likely be more intense and diverse. He might have access to the Sannin's personal training regimens. For example, if he was related to Orochimaru, he could be exposed to more experimental and dangerous forms of training. If related to Tsunade, there would be a stronger focus on chakra control and physical strength training.
Since Tsunade is known for her medical skills, Naruto could be trained in advanced medical ninjutsu much earlier. This would not only make him a more versatile shinobi but also give him an edge in battles as he could heal himself and his comrades quickly. Jiraiya, on the other hand, would introduce Naruto to more complex and dangerous combat scenarios. His training might involve long - distance missions and battles against powerful opponents to toughen him up. Also, the combination of Tsunade's strict discipline and Jiraiya's more laid - back but still effective teaching style would create a unique learning environment for Naruto.
In a fanfiction where they are mutants, their relationship could be centered around exploring and understanding their powers. Naruto's mom could share her experiences of discovering and controlling her mutant powers with Naruto. They might develop a unique form of communication based on their mutant powers. Their relationship could also be a source of strength for Naruto, especially if he faces discrimination or fear from others in the village because of his mutant nature. His mom would be there to support him, and they would fight together to prove that mutants can be just as good, if not better, than normal ninjas.
His training would likely focus more on water - based techniques. Mei Terumi is skilled in water jutsu, so Naruto would probably master things like water clones and water dragon jutsu much faster.
Naruto's training would involve a deeper understanding of tailed beasts from an early age. Since Yugito is a jinchuriki, she could share her experiences and knowledge about the Nibi with Naruto. This would give him an edge when it comes to dealing with Kurama. He might learn how to better communicate with Kurama or even gain some new abilities related to the tailed beasts' chakra earlier than in the original story.
Well, with a green fire quirk, Izuku would likely have to train in environments that can withstand fire. This means his training grounds would be more specialized. He might also need to study the chemical composition of his green fire to understand its properties better. For example, if it has some sort of special element in it that can be used against certain types of enemies. Training would also involve learning how to use the fire in different forms, like a thin stream for precision attacks or a large blast for taking on groups of foes. And he'd probably have to work on his endurance, as using the fire quirk might drain his energy quickly.
His training would be different because he might have to constantly worry about his ears and tail being noticed. He'd probably have to be more careful during physical training, like when doing acrobatics or sparring, to avoid accidentally showing his tail. Also, he might face some teasing or even bullying from the other students, which could make it harder for him to focus on his studies.