Tenseigan Resonance

Hoo...

After letting out a soft breath, Hyuga Kagami removed the ninth Earth Release clone from the large nutrient tank.

His attempt to improve the Yin Seal had encountered all sorts of unexpected complications he had never anticipated. The further he progressed, the harder it became to revise the design draft. What he had initially thought could be resolved with just three or four clones had dragged on until the eighth clone. Even now, with the ninth Earth Release clone before him, it was still unfinished.

This was already the fifth day since he had begun practically improving the Yin Seal.

Still, five days and the loss of seven clones had not been for nothing. His revised design draft was now ninety percent verified, with very little left to check. Without wasting any time, he immediately transferred his spirit body into the ninth Earth Release clone and began the final verification.

Thanks to the wealth of mistakes he had accumulated before, this verification went extremely smoothly. From forming the hand seals, to engraving the sealing formula, to extracting chakra from the various branches of his body's meridians, everything was nearly completed in one go without the slightest hitch.

After a long while, Hyuga Kagami, controlling the ninth Earth Release clone, slowly opened his eyes.

Glancing at the mirror in front of him, he discovered a distinctive diamond-shaped Yin Seal mark on his forehead. Its color was still faint, and it even looked somewhat indistinct, but the mark had undeniably appeared.

"So it's preliminarily successful."

Hyuga Kagami muttered, but there was not much joy on his face.

He had also completed this step with the sixth Earth Release clone before. Yet when he began storing chakra, he had accidentally blown his own head apart.

That accident had not only destroyed the