"Since Kakashi isn't here right now, we have to inscribe the Space-Time Sealing Technique Formula on Obito's back before he reacts."
Minato's expression turned serious as he spoke to Hashirama.
The Space-Time Sealing Technique Formula was a space-time sealing formula jointly developed a few months earlier by the exceptionally brilliant Second Hokage, Tobirama Senju, and Mito Uzumaki.
Essentially, it used sealing jutsu to disrupt space-time coordinates just as someone was about to perform space-time movement.
Simply put, it made Obito's Kamui think it had placed Obito in the Kamui Dimension, when what it had actually placed there was a volume of air the same size as Obito.
Of course, unlike the Flying Thunder God Formula, this formula could not remain on an object's surface for long.
Tobirama, at least, had more than a dozen ways to counter it.
But under the current circumstances, compared with the other plans B and C, this was the most useful option with Hashirama taking the lead.
Beside Hashirama, a body made of golden chakra emerged from thin air.
Minato's azure eyes appeared amid the ruins.
He reached out and pressed his hand against Hashirama's back.
"Grandpa Hashirama, you'll have to cast the sealing formula the instant we arrive, then subdue Obito immediately."
Minato gave Hashirama his final instructions.
"I know."
Hashirama nodded earnestly.
Seeing that the Demonic Statue of the Outer Path showed no sign of stopping its mouth blasts, Hashirama understood all too well that if they failed to stop Obito and halt the statue-
Kumogakure would face utter destruction.
Although it was not his village, they were all part of the Shinobi World, and Hashirama felt it would be better to lend a hand.
After all, if Kumogakure fell too, the fighting would eventually spread to Konoha.
When that happened, Konoha's considerable