Three-Tomoe Sharingan!

Under the cold lights of the laboratory, Kyohaku Uchiha's skin looked unnaturally pale, as though it had not seen sunlight in a long time. He carefully removed the last tube of pale red liquid from the centrifuge. Under the light, the liquid refracted a faint, strange sheen.

"The Uzumaki Clan's cellular activity truly is extraordinary," he murmured. His voice was especially clear in the silent underground laboratory. Deep within his black eyes behind the lenses, a trace of crimson quietly swirled—the Sharingan was precisely observing the minute cellular changes within the test tube.

After weeks of sleepless effort, using the exceptional neutralizing and fusion properties of White Zetsu Cells, he had finally perfectly integrated the Uzumaki Bloodline factors obtained from Karin's mother with his own cellular genes, creating a Kyohaku Uchiha–Version Uzumaki Gene Serum exclusively for himself.

Without hesitation, he rolled up his sleeve and slowly injected the serum into his vein. A warm current instantly spread throughout his body. Unlike the intense sensation of transformation when he had first fused with White Zetsu Cells, this felt more like a surging tide, with immense power continuously rising from the deepest parts of his body.

He sat cross-legged, closed his eyes, and focused, doing his utmost to guide and adapt to this new power.

His chakra was crazily skyrocketing at an astonishing rate! His chakra pathways seemed to have widened severalfold. His chakra reserves, already at the level of a Jonin, now surged like a river bursting through a dam, effortlessly breaking through the bottleneck and stabilizing at the Elite Jonin level. Even then... they continued to accumulate, unfathomably deep.

This amount... is practically comparable to a small Tailed Beast. Kyohaku was shaken. In both his past and present lives, he had never experienced such vast energy filling his body. At the same time, his sensory range rapidly expanded. Even with his eyes closed, he could clearly hear insects crawling in the courtyard outside the laboratory and pedestrians murmuring on the distant street as if they were right beside him.

The most noticeable change came from his eyes.

The violent impact of energy and the completion of his bloodline instantly stimulated the Uchiha's Kekkei Genkai. He abruptly opened his eyes. Reflected in the mirror was no longer the Two-Tomoe pattern. Three pitch-black tomoe slowly rotated against a crimson background, forming a powerful yet eerie design—the Three-Tomoe Sharingan!

Dynamic vision, insight, Genjutsu ability... every power belonging to the Sharingan underwent a qualitative leap. He could even feel that his observation of chakra had become incredibly meticulous, and he seemed able to catch traces of the Nature Energy permeating the air.

"My understanding of Fūinjutsu has deepened as well..." He extended a finger, blue chakra flickering at its tip, and casually traced a simple sealing formula through the air. Its structure was stable and efficient, far surpassing anything he had done before. Regrettably, he had not awakened the Uzumaki Clan's signature ability, Adamantine Sealing Chains, as he had hoped.

"It seems bloodline fusion and completion are not simply an addition of abilities. They are more inclined toward excavating potential and comprehensively improving one's fundamental qualities." He analyzed it calmly, his rational thinking as a forensic doctor swiftly suppressing the joy of his increased power. "Adamantine Sealing Chains may require more specific conditions or a deeper bloodline concentration to awaken."

This process lasted nearly a month before he completely fused the Uzumaki Bloodline's power and stabilized it.

When he stepped out of the underground laboratory and entered the courtyard again, the sunlight falling on his pale skin actually felt somewhat dazzling. He lightly clenched his fist, feeling the chakra rushing through his body like mighty rivers, as well as the incomparably clear world before his eyes.

Power... an unprecedented sense of power filled his entire body.

But he did not relax in the slightest. Fusing the Uzumaki Bloodline meant that the next completion would have to wait at least a year, allowing his body to fully adapt and stabilize. And time did not seem to be on his side.

He recalled the news his uncle had brought back not long ago—the Third Kazekage had vanished.

"Sunagakure is probably in complete chaos by now..." Kyohaku raised his head and looked beyond Konoha's walls. A trace of gravity flashed through his Three-Tomoe Sharingan. "The storm is coming."

The prelude to the Third Shinobi World War had already begun. He had to become stronger before the tempest descended.

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