When Naruto and Sasuke were pushed to the brink of death by Sasuke, their respective levels of chakra would have went to zero. When they were revived by Hagoromo magic, they were effectively "reset" to fully-fit versions of themselves.
Sasuke and Naruto fought the same people (Kaguya and Madara) after this, so there really isn't an excuse that one fought longer than the other.
But this all changed before VOTE 2 when Sasuke used his rinnegan to genjutsu Sakura, the 9 beasts and used enough chakra to create 9 separate chibaku tenseis. Not to mention that with a new rinnegan, he wouldn't have had full mastery of his powers (something which Kurama confirmed) which means that he could well have spent more chakra than necessary on these techniques.
After fighting the same battles as Naruto after being revived, Sasuke had to get through a further 10 opponents before he could even make it to fighting Naruto.
Now tell me, who was nerfed/exhausted again?
Sasuke and Naruto fought the same people (Kaguya and Madara) after this, so there really isn't an excuse that one fought longer than the other.
But this all changed before VOTE 2 when Sasuke used his rinnegan to genjutsu Sakura, the 9 beasts and used enough chakra to create 9 separate chibaku tenseis. Not to mention that with a new rinnegan, he wouldn't have had full mastery of his powers (something which Kurama confirmed) which means that he could well have spent more chakra than necessary on these techniques.
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After fighting the same battles as Naruto after being revived, Sasuke had to get through a further 10 opponents before he could even make it to fighting Naruto.
Now tell me, who was nerfed/exhausted again?