The Ōtsutsuki Clan of the Underworld

Uchiha Yū spread his hands as the energy beneath him lifted him into the air. Streaks of black lightning descended upon him. As that energy raged through him, Uchiha Yū seemed to see the faces of his enemies. They had relied on the Underworld to survive, yet now they were being absorbed as energy. Even after becoming pure energy, some unwillingness remained.

"Even after turning into pure energy, you still want revenge?"

Those lingering wills could not affect Uchiha Yū's mind.

Once the energy fluctuations had completely subsided, the power radiating from Uchiha Yū alone exerted immense pressure on everyone around him.

Orochimaru had complete confidence in his masterpiece. Once the energy fluctuations vanished, he approached Uchiha Yū and asked,

"How much has your strength improved?"

He needed highly detailed experimental data for future research.

Feeling the power within his body, Uchiha Yū gave a definite answer.

"It has increased by twenty percent from my original strength."

Twenty percent was not a minor improvement. For someone who had reached Six Paths Mode, every step forward required a long time. Even Uchiha Yū, who absorbed radioactive elements from the sun, needed at least several years to achieve such a significant increase in strength.

For once, a sense of saturation appeared within his body. A massive influx of energy had not been fully consumed and was instead stored in his body.

"The energy conversion rate is still somewhat low."

Hearing his answer, Orochimaru's tone grew slightly somber. He did not know how many people had been killed to obtain that energy, but Xue Ying had told him that the nearby territories had dispatched at least half their manpower to attack them.

Moreover, every lord had brought out their true reserves. Together with their own strength, they had managed to push Uchiha Yū's