"A living person?" Kakashi asked in disbelief. "Then how could you possibly have survived until now?"
"Because I mastered a special technique," Mu said calmly. "A technique that lets the soul leave the body and reside in a particular object. My body did indeed die, but my soul remained hidden in Iwagakure's forbidden scroll."
"Only recently, when I sensed Kaguya's revival, did I find a new body and return to this world."
He looked up at the rocky sphere sealing Kaguya in the sky.
"You did well. You sealed that monster. But now, a new threat has appeared."
His gaze fell on Obito.
"Obito Uchiha, you absorbed the remnants of Kaguya's will. Though the power is incomplete, if left unchecked, you'll eventually become another Kaguya."
"So what?" Obito sneered. "You want to kill me?"
"No," Mu said. "I want to seal you."
He formed hand seals, and a complex technique spread out beneath his feet.
"Dust Release: Primal World Stripping Technique!"
A translucent cube appeared out of nowhere, enclosing Obito.
It was the most powerful Kekkei Tōta, capable of breaking matter down into molecules.
"It won't work." The black markings on Obito's body lit up. "An attack of this level, against me..."
Before he could finish, his expression suddenly changed.
The Dust Release cube wasn't breaking down his body. It was breaking down the black Chakra inside him!
"What is this...?"
"I modified my Dust Release," Mu said. "It's designed specifically to target the Chakra of the Ōtsutsuki Clan. The power you got from Kaguya is being stripped away."
Obito's body began to tremble, and the black markings gradually faded.
"Damn it..." He gritted his teeth and tried to resist, but the stripping force was too strong.
Just as it seemed he was about to succeed, a shadow suddenly burst