A piercing blade cry that Black Zetsu recognized down to his soul suddenly rang out as he watched in stunned horror, his entire body turning cold.
The black-purple Black Blade Shusui suddenly left its sheath.
Before him, the All-Killing Ash Bones that had been raised were sliced apart by Black Blade Shusui in a single strike! The All-Killing Ash Bones, capable of rendering even Yin-Yang Release ineffective and causing everything to decay, were now no different from ordinary bones.
With a crisp cracking sound, the two severed pieces of All-Killing Ash Bones fell limply to the ground below.
The earth touched by the broken gray bones rapidly turned gray, then, as though it had completely decayed, crumbled into ashes with a light breeze.
"H-How is that possible?!"
Looking at the ground that had turned to ash, Black Zetsu snapped back to his senses, extreme terror flooding his eyes.
The All-Killing Ash Bones had been shattered head-on by Saiki Yuu? And that black-purple Black Blade Shusui had actually—
As though it had merely cut through two ordinary bones, it still radiated an icy chill. If not for the earth that had touched the broken All-Killing Ash Bones decaying into ashes, Black Zetsu might even have suspected that Kaguya's Kekkei Mōra power had malfunctioned.
But how could that be possible?!
How could the All-Killing Ash Bones, which could even decay Yin-Yang Release, be so powerless?!
What Saiki Yuu had used just now was definitely not the power of Yin-Yang Release!
"What an impressive attack. It actually consumed so much of my Haki."
Yuu narrowed his eyes slightly and looked at Shusui in his hand as he spoke calmly. Compared with Katakuri from the world of One Piece, it was countless times stronger!
Yuu's Observation Haki had long since reached its peak. After