Naruto: Getting Stronger by Drinking

Its destructive power was even greater!

But that was not what unsettled Black Zetsu the most. What truly disturbed him was that he had sensed a faintly familiar fluctuation on the battlefield.

However, since the battle had ended long ago, the fluctuation was extremely weak. Even with his sensory abilities, he could detect only the slightest trace of it.

Though he could not sense it clearly, Black Zetsu was certain that he was very familiar with this power.

So when news arrived that the Tailed Beast Arena had been completed, Black Zetsu asked Uchiha Madara for permission to visit Konoha.

His stated reason was to observe the Tailed Beasts' condition and prepare for Uchiha Madara's future plans.

But in reality, Black Zetsu's goal was to find the source of that familiar power—and observe Saiki Yuu as closely as possible.

Yet he had not expected the Tailed Beast Arena to present him with such a shocking sight the moment it opened.

Black Zetsu had originally thought that the Tailed Beast Arena was merely Konoha displaying the Tailed Beasts to dignitaries from various nations after sealing them with Fuinjutsu.

After all, Tailed Beasts were terrifying existences. Moreover, ever since the ninja village system had been established, they had been used as weapons of war by the major hidden villages for countless years, making them exceptionally violent.

But now, as he watched the Two-Tails and Four-Tails, entirely free of Fuinjutsu restraints and even surging with Tailed Beast chakra from head to toe just to entertain the audience, Black Zetsu was dumbfounded.

These are the violent Tailed Beasts?! They're tamer than circus lions!

Looking at the ghostly blue flames around the Two-Tails and the lava surrounding the Four-Tails, Black Zetsu even felt as if the world had gone mad.

With his deep understanding of