I think the chakra it is created from is kind of like a makeshift soul for the bijuu.
Since minato split his soul in two, it halved his size which shouldn't of happened normally because taking souls and such shouldn't really affect chakra in any way.
I think the chakra it is created from is kind of like a makeshift soul for the bijuu.
Since minato split his soul in two, it halved his size which shouldn't of happened normally because taking souls and such should really affect chakra in any way.