Therefore, the Prismatic Crystal was practically useless to Ren! Otherwise, he would not have taken it out as a consumable to satisfy the Black Stone!
But unexpectedly, the energy within the Prismatic Crystal truly caused the Black Stone to react!
Ren was astonished, his sharp gaze fixed on the Black Stone before him!
At this moment, the Black Stone faintly radiated light. Its profound glow was like an unfathomable darkness, one that far surpassed Morgana's darkness!
Suddenly, the profound darkness erupted, and the sword sheath at Ren's waist began to tremble continuously!
"What..." Ren cried out as the sheath at his waist suddenly shook violently!
Clang...
A sword cry rang out. The Shura Sword, still within its sheath, flew straight out and emitted a fiery red glow!
The fiery red glow instantly turned into golden-red flames that coiled around the Shura Sword!
Yet the flames only appeared for a moment before the Shura Sword began changing on its own amid its resonant cries! Clang...
Another sword cry sounded, and the Shura Sword actually underwent Shikai, transforming into Heavenly Sin!
This bizarre scene left Ren stunned. "What is going on? Why did the Shura Sword enter Shikai? I didn't control it at all!"
Still in her cat form, Yoruichi also looked astonished. "A Zanpakuto can undergo Shikai automatically without its master's control? Isn't that too strange? There has never been any record of this in the Shihōin Clan's texts!"
Ren frowned and reached toward the sky, trying to control Heavenly Sin!
But Heavenly Sin gave off a sword cry that conveyed a longing—a longing for the Black Stone!
Clang...
With another sword cry, Heavenly Sin completely ignored Ren's control and shot directly toward the glowing Black Stone!
It was so fast that Ren had no time to control it!
In an