After discovering that the Source of Life helped the Rinnegan grow.
Jing Xiu nourished the Rinnegan with it for an entire month.
Until scarcely any of the Source of Life that had filled the Urn of Life remained.
None of the Source of Life the Rinnegan failed to absorb went to waste, either; Kimimaro's spine absorbed it all.
"I still need to keep some to save my life. I'll stop here!"
Kimimaro was delighted as well. Nourished by the Source of Life, his bloodline disease had completely healed.
All-Killing Ash Bones had likewise become Kimimaro's trump card, but this technique was just like Jing Xiu's Mangekyō Sharingan.
Every use required a hundred days of recovery.
With everything ready, Jing Xiu removed his Mangekyō Sharingan.
The Rinnegan that Madara Uchiha had spent sixty years scheming and endured countless hardships to obtain also settled into Jing Xiu's eye sockets without any rejection.
Perhaps it was because the Mangekyō Sharingan had been part of Jing Xiu's body.
Perhaps it was because Jing Xiu had grown stronger.
The Three Sacred Treasures of Hades grew increasingly substantial, and the Mangekyō Sharingan could even be stored directly inside the Urn of Life.
They could bathe in the Source of Life every second of every day.
Sensing this change, Jing Xiu felt only delight. "If this continues, perhaps my Mangekyō Sharingan will evolve into a Nine-Tomoe Rinnegan!"
He felt no regret over using ninety percent of the Source of Life to nourish the Rinnegan.
The Source of Life was easy to obtain, but the Rinnegan was difficult to evolve.
Not long after the surgery, Jing Xiu's body began to change.
He felt his chakra steadily increasing, as though an inexhaustible power were surging inside him.
The Rinnegan's power gradually permeated his entire body.
Even now, Jing Xiu