Then according to that logic madara's katon should have been much larger than obito's with the addition of his senju dna, yet they're both exactly the same size, are you saying that it's a coincidence just because madara was stated to have "massive" chakra? [pretty vague description imo].
Senju DNA doesn't increase the size of every single jutsu. Madara's Susanoo isn't any larger than it was in life. Its that large because:
1. They have the chakra necessary to perform it.
2. They know the jutsu.
A fireball jutsu isn't going to increase in size no matter how much chakra you have. Sasuke used Katon this past chapter, same size as it's always been despite him having reserves equal to over half of Hagoromo's total reserves.
PS isn't larger than his katon, the katon was literally juubi-sized. [
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PS is as large as the Juubi's body, minus the tails. Just like Madara's Katon.
-PS and Mokujin compared the the area where the Juubi was at.
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-Juubi in the space.
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Ignore the tails and look at the main body, its not that much larger than PS if its even noticeably larger at all.
They'e just there to help support my argument, by comparing them to a regular obito who should be no different in terms of chakra capacity.
1. They may need to know a specific jutsu, but both madara & obito have different jutsus of that scale. & If you have the chakra to put into it then I don't see why any katon can't grow in size, obito did that with his.
Because that isn't how it works. Sasuke's Katon is still the same size as it was before getting half of Hagoromo's chakra. More chakra doesn't automatically equal bigger jutsu. Obito made his Katon smaller when he used it against Gai and Kakashi. He spread it out with Kamui as well. He didn't make it larger, what he showed was the max size, and he can't make larger, only smaller as we've seen..
If it was even smaller.
Different jutsu of the same scale only means that both jutsu operate at the same scale.
2. Yeah but that's what I'm getting at, obito should logically be in this same situation.
But there's nothing that tells us that obito's chakra reserves were any better than the uchiha bros prior to obtaining the dna.
We don't know what his chakra would be like. We all know chakra increases as you get older, but we never saw an adult Obito before he got Senju DNA.