Orochimaru VS Hashirama Senju

To this day, after being exposed to new scientific knowledge, Kushina, a master of Sealing Jutsu, found new inspiration every day to further develop the Uzumaki Clan's sealing techniques. By now, even the remaining half of the Nine-Tails within Kushina had been completely brought under her control. One had to know that Sealing Jutsu could potentially be powerful enough to seal someone like Kaguya Otsutsuki.