Board Thread:Theories and Speculation/@comment-34661853-20181111160651/@comment-32685487-20190108182902

and that comes back to one thing, they cannot keep nor create what does not originate or generate from their body. Which is why Tsunade will not be recreating Dans chakra inside of her, she will only have her own. Same thing with Naruto and Sasuke.. they used up Hagoromo's powerful ass chakra and now they are only generating their own chakra.