"How was this possible?!"
"How could there be two pairs of Rinnegan in this world!"
Alongside his shock, the Eight-Tails felt a creeping trace of fear.
As a tailed beast who had witnessed the glorious era of the Sage of Six Paths, he knew all too well how powerful those sage's eyes were, and held a deep, instinctive reverence for their owner.
"Be careful, Killer B! Call the village for reinforcements right away!"
"Two pairs of Rinnegan aren't something we can easily handle!"
The Eight-Tails spoke through gritted teeth, his voice trembling slightly.
At that moment, he felt that none of the battles they had faced before could possibly compare to their current situation.
"Even you're getting nervous?"
Killer B's heart sank at those words.
"But calling the village for help now will be difficult, too!"
He scanned his surroundings. The Four Violet Flames Formation had already taken shape, sealing them firmly inside without a single gap.
"Use Tailed Beast Transformation. I'll lend you every bit of our combined power for this fight!"
"Break through the barrier first, then run back into the village with everything you've got!"
The Eight-Tails shouted.
"All right!"
Killer B raised no objections, answering swiftly in his mind.
The very next second, brilliant light shone over his entire body as immense energy spread through him.
In an instant, Killer B's form changed drastically, transforming into a terrifying giant beast.
A thick tail straightened and thrust out from his back, followed by a second, a third, a fourth, a fifth, and a sixth.
Unleashing the power of six tails all at once left Killer B exhausted. He panted softly, pain coursing through him as well.
"Are you all right? Can you keep going?"
The Eight-Tails asked worriedly.
The degree of tailed beast transformation a jinchūriki could