"Plop."
A pool of foul-smelling black sludge squeezed out from between the rocks and rolled across the damp, cold ground.
Black Zetsu trembled as he squirmed, like a dead eel freshly pulled from a vat of boiling oil, half-dead as he sprawled at Obito's feet.
"Obito... something terrible has happened... that brat, that brat is a monster!"
His two yellow eyes shook violently in the darkness. Several charred marks still smoked with acrid black fumes across his pitch-black skin, an especially glaring sight.
Obito stared fixedly at the puddle of black sludge on the ground, his single eye filled with terror.
Most of Black Zetsu's body, formed from Yin-Yang Release, had been destroyed, and Sage Art chakra ravaged his wounds.
"You're saying Sasuke burned you into this state with Amaterasu?"
Obito roared hoarsely.
"He's only six! How could he awaken the Mangekyō Sharingan, much less fuse Orochimaru's Sage Art into his ocular technique?!"
"How the hell would I know?! That brat's ocular power is absurdly strong!"
Black Zetsu struggled in the muddy ground and let out a beastlike growl, his voice sounding particularly bleak in the empty cavern.
"The most terrifying part isn't his eyes. It's that he knows my true nature!"
"The moment he opened his mouth, he called me 'the will of Ōtsutsuki Kaguya'!"
"He even knows that I altered the stone tablet at Naka Shrine. That madman Orochimaru is even using a 'microscope' to study that stone!"
"Boom!"
Obito slammed his fist into the nearby rock, shaking loose pebbles that rained over his head. He did not even bother brushing them away.
Large amounts of black sludge and blood dripped down from his glove. He gritted his teeth in pain, yet could only gasp heavily beneath his mask.
"Uchiha Yoru... that damned variable. What the hell did