With a low, beast-like roar, eight long tails burst out from behind Killer B. In such circumstances, Killer B chose to hand control of his body over to the Eight-Tails, and the Eight-Tails erupted at once.
"Glug~~ Glug~~~"
A mass of bubbles rose through the water.
The Eight-Tails, the most burly among the tailed beasts, revealed its body in the water, churning up huge amounts of bubbles. Its eight long tails writhed rapidly, continuously forcing the enormous water sphere to expand.
"Roar!!!"
A deep roar came from within the Water Prison. The appearance of the Eight-Tails immediately put the Nine-Tails on edge.
The Eight-Tails was its old rival. Even though the two tailed beasts rarely had opportunities to fight now, the relationship between them had not changed much.
"So you finally transformed?"
Kisame Hoshigaki remained completely unaffected in the water. Looking at the enormous Eight-Tails within the Water Prison, he slowly raised Samehada in his hand.
The Nine-Tails' expression turned grave. Ronglin glanced at it and said casually:
"Find another chance later. Right now, it isn't your opponent."
"Yes, my lord."
The Nine-Tails lowered its head slightly. Though it greatly wanted to battle the Eight-Tails, the Eight-Tails was Kisame Hoshigaki's prey at the moment, not its own.
The massive Water Prison occupied an enormous area. If all that water were to burst forth directly, and flood into Kumogakure, more than half of the entire village would likely be submerged.
"They fused!!!"
Many cloud ninja's eyes bulged as wide as ox eyes, and their mouths hung wide open as well.
Under their ghost-stricken stares, Samehada slowly fused with Kisame Hoshigaki's body. Several shark-like fins grew from his body, along with a long tail. He truly looked like a shark—no, like a fish-man with shark genes.
After fusing with Samehada, Kisame Hoshigaki's