Awesome prediction. Kishi would put this in possibly 2 chapters and Minato would tell Sasuke about the masked man and that he sealed the Kyuubi into his son Naruto so he had the power to defeat the masked man
Well apart from Medical Ninjutsu...
She has incredible strength but used it 3 times...
Against Sasori (Because of Chiyo) Brealing the boulder leading to Sasori and Punching Zetsu clone of Neji...