Board Thread:Naruto Discussions/@comment-25139119-20140905185119/@comment-2140588-20140912140735

Archangel489 wrote: Also why didn't minato seal the nine tail into kushina if that would have saved her a) He didn't know about it.

b) Because of her weakened state, she might've not survived and Kurama would've died alongside her.

c) Minato didn't have enough strength to seal it alone.