Although I'm not crazy about the current direction of the manga (I liked it better when it was "Destroy All Monsters"), the idea of molding your chakra to fit a particular person like a glove conjured an interesting "What If" scenario in the asylum I call my mind.
We know based on what Kyuubi has said that Minato had the ability to fit his chakra to a specific person in an instant and that he did this when sealing the Kyuubi into Naruto. We don't know exactly how the sealing process worked, but my hypothesis is that the reason that a sacrifice is necessary is that someone must serve as a conduit through which the tremendous chakra of the bijuu is transferred to the new host. Minato's sealing appears to be special first in that he was both the one who performed the technique and the one who served as the conduit, and second in that the particular method of sealing was so complex yet done nearly instantaneously. This was only possible because of Minato's skill of fitting his chakra to Naruto's.
This is only a theory, of course, but I prefer this kind of concrete explanation over "a wizard did it" even if Minato actually is a wizard, in all three senses of the word.
One more pertinent piece of background information: Uzumaki Mito is said to have sealed the Kyuubi into herself, possibly with the aid of Hashirama, but we know for certain that both she and Hashirama survived this sealing. Something about the sealing technique they performed was different and allowed them to do this.
So, WHAT IF?
What if instead of using himself as a conduit for sealing the Kyuubi, Minato used his ability to fit his chakra to Naruto and then used Naruto to seal the Kyuubi into Naruto using Uzumaki Mito's sealing technique?
The Fourth does not die because it is technically Naruto who sealed the Kyuubi despite Naruto being a newborn incapable of performing any jutsu on his own. Yes, this requires a gigantic leap of faith, but if you are accepting my hypothesis then it should be possible at least in principle. And Minato is a BAMF, so just roll with it (because a wizard did it ).
With the Fourth alive, what changes do we see? Can he save Kushina? Can he stop the Uchiha massacre? Will he be one of the "Chosen" destined to either save or destroy the world?
We know based on what Kyuubi has said that Minato had the ability to fit his chakra to a specific person in an instant and that he did this when sealing the Kyuubi into Naruto. We don't know exactly how the sealing process worked, but my hypothesis is that the reason that a sacrifice is necessary is that someone must serve as a conduit through which the tremendous chakra of the bijuu is transferred to the new host. Minato's sealing appears to be special first in that he was both the one who performed the technique and the one who served as the conduit, and second in that the particular method of sealing was so complex yet done nearly instantaneously. This was only possible because of Minato's skill of fitting his chakra to Naruto's.
This is only a theory, of course, but I prefer this kind of concrete explanation over "a wizard did it" even if Minato actually is a wizard, in all three senses of the word.
One more pertinent piece of background information: Uzumaki Mito is said to have sealed the Kyuubi into herself, possibly with the aid of Hashirama, but we know for certain that both she and Hashirama survived this sealing. Something about the sealing technique they performed was different and allowed them to do this.
So, WHAT IF?
What if instead of using himself as a conduit for sealing the Kyuubi, Minato used his ability to fit his chakra to Naruto and then used Naruto to seal the Kyuubi into Naruto using Uzumaki Mito's sealing technique?
The Fourth does not die because it is technically Naruto who sealed the Kyuubi despite Naruto being a newborn incapable of performing any jutsu on his own. Yes, this requires a gigantic leap of faith, but if you are accepting my hypothesis then it should be possible at least in principle. And Minato is a BAMF, so just roll with it (because a wizard did it ).
With the Fourth alive, what changes do we see? Can he save Kushina? Can he stop the Uchiha massacre? Will he be one of the "Chosen" destined to either save or destroy the world?