The Core Dimension

[Your Creepy Stalker]

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BZ Says that Kaguya would regenerate Chakra faster in the Core Dimension.
Could this be a hint to the real Origins of Chakra? (I'm never going to believe anything said by Hagoromo or Black Zetsu's plot rock. He slightly forgot to mention that he had a brother.) Perhaps the Shinju magically came from the Core Dimension, through the power of Plot Device.

 

[RinneBlitz]

They need to go back to the real world, these dimensions are really annoying.

 

[HashiraMadara]

When zetsu said lets make chakra!
I was like

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They're making chakra! what more could surprise me

 

[Angelic.]

interesting. maybe shes connected to the core?

 

[Mistraal]

I'm pretty sure Kishi is just pulling stuff out of his bum at this point. Wasn't the origin of chakra Kaguya eating the fruit?