Construct a larger container...
The original Yin Seal sealing system had to be upgraded, and the sealing jutsu knowledge capable of creating a larger container...
The spiritual space the Sage of Six Paths had made to house my past self...
As his thoughts scattered and he deliberated incessantly, Tadpole Script characters began flashing through Chiba's mind one after another. Beyond the conventional Tadpole Script, ancient Sealing Jutsu Formula characters that had long vanished from this era continuously emerged, then repeatedly reorganized themselves in his mind.
At the same time, around the edges of Chiba's mind, scenes kept flashing by—those basic formula-like structures he had seen when the space created by the Sage of Six Paths to contain his past spiritual body had collapsed. Nearly ninety percent of them were ancient sealing jutsu he did not recognize.
Then, as the Tadpole Script and ancient Sealing Jutsu Formula characters grew ever more numerous and vast, sealing formulas interwoven with those ancient characters began linking together, piecing themselves into shape.
The instant the sealing formulas took shape, they began linking into complete units at incredible speed, forming one exceedingly complex final sealing formula after another.
As the sealing formulas assembled, Chiba's spiritual and physical energies also began whirling and merging wildly within him, creating streams of Chakra to supply the consumption required to construct this new Yin Seal.
Before long, sweat beaded across Chiba's forehead. Threads of emerald light slowly spilled from his body, swirling like flames as they transformed into an emerald Chakra cloak that wrapped around him entirely.
Gate of View Mode had been activated! *It would still be better to use the previous idea of using nine small spaces to form one large space. For the formula expanding the container, it would be best to use the Sage of Six