Naruto was always nerfed

[Darth Uchiha]

Yes he has

Spoiler

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If the ground was not too slippery, sasky kun would be.....

When he started charging him, Sasuke had chidori activated.

 

[Darth Uchiha]

Remember at Oro's hideout when he made Naruto shit his pants because he improved so quickly?

Remember how he was already exhausted by the time he got there from using Kyubi Four Tails Mode?

 

[patrickscott]

Remember how he was already exhausted by the time he got there from using Kyubi Four Tails Mode?

Exhausted my ass, he wasn't even using his own power. Kurama felt sorry for him.

 

[Dannie]

He was also fighting for what, 3-4 days non stop?

It seems fools still misunderstand that Naruto was replenished when he was revived by Obito.

 

[Manigold]

I think Naruto has always been plot restrained, for example during his training with Jiraiya Naruto was the one that progressed the less compared to Sakura and Sasuke and i believe this was made so that Naruto had to work hard to surpass Sasuke...