Just as the Captains were about to complete their encirclement, a sudden change erupted.
Centered on the grass crown atop the Central Great Underground Prison, golden ripples spread completely outward, transforming into a pillar of light that reached the heavens. The waves it released shattered every branch connected to the prison's icy pillars.
The Soul Reapers instantly lost their footing and hurriedly used spiritual power to keep themselves from falling.
But it was not over on Kusaka's side. As the golden pillar of light rose, a suffocating black aura abruptly expanded around it in a spherical shape, like an exploding star!
Rumble!
The enormous sphere was an eerie violet-black, expanding so quickly that even Captain-level Flash Steps could barely escape it. Two enormous black stellar rings emerged across the surface of the giant black sphere, enclosing it within.
Yuko's pupils contracted slightly. "That is..."
Not only was the spiritual pressure expanding and strengthening, but it seemed that some kind of ability had been released as well?
"What exactly is that?!"
Before Yuko could ask, Kotetsu Isane was the first to voice her shock.
The Fourth Division was a medical division and generally did not participate directly in battle, so they, along with Retsu Unohana, had remained on Sokyoku Hill.
Nemu Kurotsuchi remained calm. "Has the King's Seal's power been completely released?"
"No. This is the King's Seal going berserk," Mayuri Kurotsuchi explained calmly.
Jushiro Ukitake said, "What did you say?"
"Look, its spiritual pressure is gradually increasing and beginning to spread." Mayuri Kurotsuchi pointed at the sphere, which had already swallowed several kilometers of Seireitei and was still expanding. "At this rate, Seireitei will be consumed. It may face total destruction."
Yuko took two steps forward and reached the mountaintop, looking down below. "The buildings have not sustained any actual