"It seemed the Hogyoku in my hand wasn't a complete Hogyoku after all."
Aizen put away the crystal emitting a blue glow and turned around. Kaname Tōsen knowingly stepped behind Aizen, drew his Zanpakuto, and swung it at the Shinigami who had just undergone Hollowfication and lost his mind.
"Hadō #4: Byakurai!"
At that moment, a cold voice rang out above the three of them. Then, a bolt of lightning descended and struck Kaname Tōsen's Zanpakuto directly.
"Boom!"
The lightning bolt blasted Kaname Tōsen's Zanpakuto away, allowing the Hollowfied Shinigami before him to escape disaster.
"Roar..."
The Hollow that had lost its mind seemed to realize it had just brushed against death. After letting out a howl, it stretched out hands that had turned into claws from Hollowfication and lunged at Kaname Tōsen.
"Whoosh!"
Unfortunately, even after undergoing Hollowfication and gaining considerable strength, it was still far too weak compared to a Captain-level opponent.
Kaname Tōsen used Shunpo to evade the Hollowfied Shinigami's attack, moved to where his Zanpakuto had been knocked away, and picked it up.
At that moment, Gin Ichimaru and Aizen looked up and saw Ailin standing in the air.
"My, Captain Aizen, it seems we've been discovered again."
"What a rare guest. Captain Ailin of the Eleventh Division."
"Aizen, Kaname Tōsen, Gin, and..."
Ailin slowly descended, sweeping his gaze across the three of them before finally settling it on the Hollowfied Shinigami.
"A Hollowfied Shinigami..."
"It seems what Urahara Kisuke said in Central 46's Judgment Chamber decades ago was true after all."
"You were the one conducting Hollowfication Experiments back then, weren't you, Captain Aizen?"
"My, Captain Ailin, what are you talking about?"
"I merely came out for a stroll and discovered a Hollowfied Shinigami here, so I intended to capture it and take it back