If Madara was to rip the Nine-Tails out of Naruto. The tension in the manga would be so high. I'd probably cry for that fodder.
It actually would be good, Naruto would still have some of Kurama's chakra though, this is his chakra that is separated from Kurama and is what he used from training up to when he ran out fighting Obito and then became friends with Kurama
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. Bee said this chakra is Naruto's for life
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. Losing Kurama would have Kishi focus on Naruto's power more so we might be seeing SM fused with Ma and Pa toad. After the war Naruto can use his clones to train, he used 200 clones while training to learn FRS so if he trained with 200 clone for 1 year that's worth about 73,000 days of training. Kishi would do something to make Naruto and Sasuke on the same level.