"Hss—" Obito glanced at the wound healing on his left shoulder, then looked gravely at the Chidori in Kakashi's right hand. This Chidori was a little different from the ones he had seen before. Every now and then, black Incantations drifted from it.
That had to be the real reason the Chidori had wounded him just now. He did not remember Kakashi's Chidori being able to pierce through space and lock it down.
"This is Space-Time Chidori." As if he had seen Obito's confusion, Kakashi straightened up and looked at Obito with complicated eyes. "A Chidori fused with space-time ninjutsu. It can pierce through space and lock it down. It was prepared specifically for you!"
With that, the Chidori in his right hand swept out fiercely, carrying all the Chakra Kakashi had refined at that moment as it flew into the sky. Then—
"Millennium Lightning Prison!"
Countless bolts of lightning laced with black Incantations fell from the sky, forming a wall of lightning that connected heaven and earth, surrounding Kakashi and Obito.
Obito looked at the lightning filled with black Incantations all around them, then gazed indifferently at Kakashi before him. "Space-time ninjutsu? As expected of the Yellow Flash's student. But do you still have any Chakra left?"
Hearing Obito's words, Kakashi silently raised his left hand to his face, fingers hooked as if gripping something, and yanked it downward.
"Roar!"
"Tap—" With his Mangekyo Sharingan active, the instant the mask appeared, Obito seemed to hear the roar of some vicious beast, and the bottomless despair contained within it.
Obito could not help taking a frightened step back, but in only an instant, he adjusted his state of mind and looked at Kakashi with a grave expression.
He knew a little about this mask. Though it was strange, he had