How? Heres what I think of this mess.
Minato wins because of his speed, sage mode, and because Madara has no intel on him.
Let me list my points in a bullet order, I think they will be better understood like that than daunting walls of text.
• Minato is faster than Madara. Madara said that Tobriama was the fastest shinobi in existence in his era which is also the Madara/Hashirama era thus acknowledging Tobirama was faster than him. This is mainly because FTG. Tobirama has already acknowledged Minatos FTG is superior to his when he seen Minato get to the battle field before all of them, send the Juubi LaserDama to sea, and mark 4 different locations so fast with his kunai we did not even see it happen. Note the Juubi is a titanic creature and Minato put 4 kunai around it in a square formation so fast Obito or Madara didn't even notice. Note that since the Juubi is so big the distance apart from each kunai was huge and it should have taken a lot of time to mark four separate locations that far from one another if done by anyone else, not to mention they would have been noticed doing it.
Ok, I agree that he is faster than Madara, but Hiraishin=Hiraishin. Minato only uses it better than Tobirama does, his Hiraishin itself isn't better than Minato's. When Tobirama said your Shunshin is better than mine he was referring to the Body Flicker, called Shunshin no Jutsu in Japanese.
Obito and Madara not noticing is obvious given the distance from the Juubi to the 4 corners of the barrier.
So let me total all this up for you. He jumped to the battle field before Tobirama and company, sent the LaserDama to sea last second, (which he had a sea rocked marked so he had to stop and do that too), then came back and marked 4 separate locations over a huge distance without being noticed by anyone, no sensor, Madara, Obito, etc. AND HERES THE KICKER, HE DID ALL OF THAT BEFORE TOBIRAMA AND COMPANY HAD EVEN ARRIVED! WAIT! ANOTHER KICKER! HES IN A WEAKENED EDO TENSEI STATE TOO! How can Madara even track his movements let alone actually keep up with him in a fight, especially since this is EMS human Madara!?
You have the order mixed up.
1. He stopped and left that Kunai at sea.
2. He set the markings up around the Juubi.
3. He arrived at Naruto's location and warped the Bijuu Dama to sea.
Its impossible for him to have done 3 before 2 since he never left Naruto's location after arriving.
None of these show me why Madara can't track his speed, giving me feats that Minato completed off panel literally tells me nothing but the fact that he's faster than Tobirama, Hashirama, or Hiruzen, doesn't mean that his speed can't be reacted to.
•On to my second point. Sage mode. Because Minatos sage mode was easily beaten by Juubidara it has been underrated a lot in my opinion. Minato said that it takes him long to knead the chakra for it and that he has never used it in battle, therefore he had no practice with it until this point. Take a closer look at that chapter and one would see it actually did not take Minato that long to enter sage mode! He just takes longer to enter the transformation than lets say... people like Naruto and Hashirama who can enter it in about 3 seconds top.
Lol, really now? Are we really going to do this? Minato explicitly stated it takes too long for him to gather the Nature Energy to form the Senjutsu Chakra, yet you are telling me otherwise? I think I'll believe Minato over you anyday.
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He is sensing Obitos chakra. He first needed to knead his chakra into the sensory type to do this so he cant be absorbing natural energy while doing this
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In that frame he stops and stands still, just listening to what Madara is saying.
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in this frame from the next few pages note he has not moved an inch, still in the exact same position which means that is the point when he began to gather natural energy.
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is the frame where the transformation is complete.
Ok.
Over the 3 pages that had past since this, Madara gave Obito that little speech which took no more than minute to say. Going by this, it does not take him as long as so many think to enter sage mode at all, it may not be a few seconds like Hashirama or Naruto can do it but its still fast enough for him to use in time, especially if he jumps back to gain some distance or stands atop one of his summons.
And this is where you are wrong. Not only are you going against Minato's words, you are going against common sense. Go read that dialogue by Madara (out loud at a
normal pace) and tell me if its only a minute. That is clearly longer than a minute, and even a minute is too long for the gathering of Nature when your in battle, especially when Madara can pretty much rape the whole landscape with a Sword Slash, which will obliterate Minato as well if he is there gathering Nature Energy.
I have heard before some people say he can keep sage mode for only 5 seconds which is just absurd. This is mainly because right after being assaulted by JuubiDara he was no longer in the transformation. He had lost his other arm so there would be no reason why he should maintain the transformation because he could no longer use jutsu,(except FTG it requires no seals) and it would have been meaningless. Yes, he also said he cant maintain it for long, but that does not mean he can only use it for 5 seconds. If that was the case it would be completely useless and not even worth using in battle whatsoever. Its also illogical to think that a true sage like himself could only hold it for a few seconds.... Now with that said, his senjutsu techniques are not that powerful, but still powerful enough to force Kakashi to Kamui it away rather than just blocking the flying arm coming at him.
Its not like it matters how long he can hold his Sage Mode, cause its irrelevant when fighting Madara since SM doesn't increase his DC to a level where he can pressure Madara, nor will it do any good for his speed as he already has Hiraishin. Sensing is pointless since PS's
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Why would Kakashi attempt to block Rasengan with his arms even if it wasn't enhanced by Senjutsu?
~ A sub point to Sage Mode. Minato can summon Ma and Pa to ride atop his shoulders and gather senjutsu chakra for him. The only reason why they did not do this with Naruto was because of Kurama was kicking them out of his chakra system therefore Naruto would have to gather it on his own. This gives Minato a near infinite amount of chakra in this battle allowing him to spam many chakra taxing jutsu easily with little drawback
.
They gather Nature Energy for him, they don't gather Senjutsu Chakra. So when Minato's normal chakra runs out and he can't balance it with the Nature Energy, he either has them stop gathering it or he'll turn into a Toad. By no means does he have a near infinite amount of chakra.
Ma and Pa are both over 800 years old and hold a plethora of experience and knowledge. They knew about that the rinnegan existed and its functions, when most thought it was a myth so its safe to say they would know about Madaras EMS abilities, and if not they can experience them one time and know how to counter it the next time, as evident when they fought with Jiriya.
Hahaha...no. They knew about the Rinnegan. They didn't know it existed nor did they know its jutsu. So there is nothing implying (Even if they did know) that they have intel on Madara's EMS and his jutsu. Baseless claim.
Ma can stream fire styles from her mouth ant any point! Pa can stream wind style the same way creating a deadly combo attack instantly!
PS took Bijuu Dama, so this isn't scratching it.
Ma can use her long tongue to wrap around Susanoo and melt parts of it with her corrosive chemicals making an opening for Minato!
Same as above. Not even gonna bother mentioning that PS is too large to wrap her tongue around, also not gonna mention how even if it was large enough, PS would just chop her tongue off and kill Minato with a second strike.
What if they both use Frog Sound! It emits such a high pitch noise it paralyzes Madara in a similar fashion how Kabuto paralyzed Itachi and Sasuke, just without the light! That can give them an opening on Madara.
Frog Song has shown a limited
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. Pain wasn't affected despite it being used right near them, so its not going to affect Madara on top of a Mountain tall construct.
What about Ma using her wind style to kick up a dust cloud so Madara cant seem them but they can still sense his location allowing them to launch a surprise attack on him.
Then Madara does
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. Good bye dust cloud, and good bye Minato's life.
I
wont even start on Ma summoning the whole Toad Battalion to aid Minato because it is just too much and please don't come with the ''Madara can control them via Sharingan'', because he cant if he cant see them (dust cloud from Ma) and its illogical to think he can control that many large beast all at once especially if they are attacking him on different fronts and trying to deal with Minato +Ma and Pa and besides, Minato would be able to sense if anyone of the toads are under genjutsu via his regular sensory skills or the skills he get during sage mode and just jump to them and break them accordingly! Remember chakra is not a problem for him because of Ma and Pa constantly gathering chakra for him to use when they aren't attacking themselves!
Genjutsu isn't even a factor here, neither are Minato's toad summons.
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That kills every Toad Summon with a Mountain cutting Sword Slash and the second one obliterates Minato just like it obliterated the landscape.
•Intel. This one is short because I went overboard a bit on the senjutsu. Because Madara has no intel on Minato, it makes it much easier for everything I mentioned above to happen more easily. He is unaware of all the combos and abilities Minato can throw at him. Most importantly though (though this has nothing to do with intel) Minato has access to chakra that Madara does not. I know Madara fought for a whole 24 hours versus Hashirama but he certainly did not use PS for that whole time. Also he had Kurama who could shoot dozens of tailed beast balls simultaneously, which was his main firepower in that fight, so he probably didn't have to use much of his chakra, only when he needed to defend with Susanoo, clones feints, genjutsu, and shunshin.
Being unaware doesn't mean he can't counter. Being unaware doesn't mean it won't work.
Lol, when Minato can fight 24 hours straight, come get me. ''
Wrong, he fought Hashirama for
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w/o Kurama. He can control Kurama for extended periods of time, and he can call a Mountain sized chakra construct. He has more chakra than Minato, though it doesn't matter, cause Minato will die in about a minute or two after PS's activation.
To close this out, basic EMS Madara does not have what it takes to beat Minato.
Your post had a bunch of things that didn't matter.
-Toad Summons.
-Ma and Pa's attacks (Not doing anything when Susanoo took Bijuu Dama)
-Dust Cloud and Frog Song, jutsu that won't even reach Perfect Susanoo.
And worst of all, you didn't even tell me how he breaches Perfect Susanoo. Madara destroys Minato, with the utmost ease.