Board Thread:Theories and Speculation/@comment-45444155-20200410191621/@comment-45444155-20200427034938

LegionZero wrote: Kaguya used the God Tree/Shinju to turn people into Zetsu. It wasnt until the 4WW that is was stated to be absorbing chakra.

Hagoromo's time and Kaguya's time have overlap so Hagoromo teaching people to use chakra before the Juubi rampage is plausible

I kinda just remembered that Genjutsu basically injects the users chakra into the target. This could have the same effect as Hagoromo's sharing of chakra, linking the targets energies together for the user to control. This may be how Infinite Tsukuyomi worked for Kaguya back in the day

Well, that's just your opinion. To my mind, the chakra distribution started after Juubi was sealed, which is supported by the chronological order of events in 4 Databooks, as well as the stories of Hagoromo and the Zetsu, where Ninshu appeared after sealing. Okay.

That's an interesting thought, about Infinite Tsukuyomi. But as far as I'm concerned, mixing energy is just to release the chakra.