Minato did react to V2 Jubito(mindly react at least considering he could follow his hand movement). He just couldn't completely dodge in time.
Um, that's what I said. You said that entering Sage Mode depends on the accumulated physical/spiritual energy that is used to make chakra, and I said no, that's for Ninjutsu. Making Senjutsu takes your total Spiritual/Physical Energies, not the amount you choose to gather.
Yeah, meaning unless Minato takes in as much Nature Energy as he has Spiritual and Physical Energy, he can't enter Sage Mode. So he didn't just gather a tiny bit, unless you believe he only has a tiny bit of chakra.
I think you're confusing stamina with chakra. Chakra isn't always present in ninja bodies. What is present is stamina. How do you think taijutsu usable(incapable to build up chakra like Lee) do?
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It's by building part of your physical+spiritual energy that you build up the chakra necessary for battles
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So when someone build up his chakra, he isn't using his entire stamina+spiritual energy at all, only part of it. It's for that reason i said it depends on the quantity of physical(stamina)+spiritual energy that a ninja uses. If he takes only a small amount, in case of a SM user, only a small amount of natural energy is needed to build up the sennin chakra as well
PS: Brain V2 Jubito only removed one of Minato's arm. He mindly reacted to him. Only couldn't completely dodge. Considering you think Tobirama has so much better reactions than Minato, are you suggesting Tobirama moves faster than Brain V2 Jubito?
Because i'd like to point out the fact that when his clone actually made an appearance in the chapter
"you're the main stars", despite being a hiraishin user couldn't escape the explosive radius of Jubito's gudodama in time after the second hiraishin(when it only requires an instant teleport) when on the other side Brain V2 Jubito had time to put up a shield to protect himself at the last second.
Not only that, but Tobirama didn't even notice Brain V2 Jubito actually managed to put up a defense until he saw him coming back despite the fact that when a clone is destroyed, the information come back to the original. That means Brain V2 Jubito put up a defense faster than Tobirama's clone(and thus the original) could even mindly see/react
It's funny how you people seriously want to argue concerning the difference between V1 mindless Jubito and V2 Brain Jubito when it has already been established that he lacked control. With less control, you can't use your powers as efficiently, not only that. Without a brain, you don't even see/care about your opponents counter-attacks. It's as if you think Kishi purposedly showed a new transformation just for the show.
But oh well. What can i say? I guess it's your opinion and i can't change that. I'd just finish with this though. Considering you believe V1 Jubito is no different than V2 Jubito and that Kishi just showed a drastical difference and new transformation for the show, are you suggesting that SM Madara has better reactions than V2 Jubito considering the same Tobirama couldn't tag him despite sneak attacking him?