The countdown hit zero.
Countless All-Killing Ash Bones tore through space and rained down from every direction, carrying the law of death. This was no attack they could dodge or withstand. Even the slightest scratch would reduce a person to ash within three seconds.
The flow of chakra from the nine Tailed Beasts inside Naruto had just been cut off by Black Zetsu's chilling presence, leaving him a moment away from recovering his strength. Sasuke had just used Amenotejikara, and his left eye throbbed as though it might burst.
Certain death.
"It's over, insects." Kaguya hovered high above them, looking down.
Just as the foremost bone came within half a meter of Naruto's brow—
Boom!
A torrent of blue-green chakra erupted behind them like a volcano. Solid chakra formed bones, veins, flesh, and Tengu Armor... then expanded in a tenth of a second into a Perfect Susanoo hundreds of meters tall!
Its enormous blue-green wings snapped inward, shielding Team 7 and Hinata beneath them.
Crack! Crack! Crack!
Hundreds upon hundreds of bones hammered into Susanoo's armor, hissing as they ate through it. The outer armor was breaking down, but everyone inside was safe.
"Kakashi?!" Naruto's eyes widened as he whipped around.
Inside the diamond-shaped crystal on Susanoo's forehead, Kakashi pressed a hand to his bleeding left eye. The crimson Mangekyō Sharingan in his right eye spun furiously. Bloody tears ran down his cheeks, but he stood straight, an impassable wall before them.
"Sorry, Naruto, Sasuke, Sakura." Kakashi lowered his hand, revealing two identical Kamui Mangekyō Sharingan. His voice was strangely calm. "I was always late before. I could never protect the people I wanted to. But today... I'm Team 7's teacher!"
"I'm not about to waste Obito's parting gift."
Kakashi slammed his hands together.
Susanoo mirrored the hand sign, and