As a glimmer of white light began to shine at his fingertips, the black Moon Fang Heaven Piercer vanished without a trace the instant it collided with it.
There was no explosion!
No impact!
Nor did it cause any damage or destruction!
The powerful slash formed by absorbing Reiatsu simply disappeared into thin air, leaving behind not the slightest trace.
Of course, those with exceptionally sharp observation and perception, such as Aizen, who held the Hogyoku, had already noticed that the density of Reishi in the air had increased several dozenfold.
Clearly, this was the prototype of a Bakudō created by Allen based on Prime Magic - Soul Annihilation Breath.
Though it was still far from complete and could not even release that mass of highly concentrated Reishi, it was already sufficient as both a defensive measure and a close-combat attack.
Especially against detached, flying attacks like Moon Fang Heaven Piercer, which could no longer be replenished once released—upon contact, they would basically collapse instantly into their most fundamental Reishi state.
"H-How is this possible?!!"
Ichigo Kurosaki stared wide-eyed, his face filled with disbelief.
Ever since completing Zangetsu's Bankai training, he had even been able to overpower Byakuya Kuchiki, who had once easily trounced him, for a short time.
And yet now, his prized Moon Fang Heaven Piercer had vanished without a sound.
"Could that be..."
Kaname Tosen seemed to sense something. His expression immediately turned solemn and wary.
As a member of the secret little group, he had occasionally seen Allen privately researching "Soul Annihilation."
But compared to back then, "Soul Annihilation" had clearly reached a level that could threaten everyone. It was no less terrifying than that Zanpakuto named "Death."
Aizen nodded slightly. "That's right! You guessed correctly! This is the Bakudō he's been researching and developing. I