Slug Sage

A dozen or so minutes later.

Rin looked no different on the outside, but Madara Uchiha's cells had transformed her meridian system and chakra reserves in a remarkably short time.

And Long Ye wasn't finished.

Using the same method he had used to help Kimimaro absorb a Snake Cypress Seed, Long Ye perfectly integrated one into Rin's body.

Before this, Rin's body could have stored at most ten percent of the Natural Energy in the seed.

After all, even Kimimaro, who possessed the Shikotsumyaku Taijutsu Kekkei Genkai, could hold only thirty percent.

But Rin's body had just undergone an internal transformation. Her constitution had changed at its very foundation, and after Long Ye's work, roughly fifty percent of the Natural Energy in the Snake Cypress Seed remained inside her.

Once she learned Sage Mode, she could turn that Natural Energy into Senjutsu Chakra.

Long Ye's series of incredible feats left the slug staring in stunned silence.

Slugs were medical-type summons and knew the Shinobi World's Medical Ninjutsu better than anyone. Yet everything Long Ye had done shattered the limits of its understanding.

Cell Transplantation was a problem the medical field had never managed to solve, but in this man's hands, it had looked as easy as drinking water.

And when countless Blood Threads had shot from Long Ye's back, the ancient slug had been just as baffled by that power.

"All done!"

Long Ye looked thoroughly pleased.

"Rin, I've rebuilt your body. Your constitution has changed at its core, and you have plenty of Natural Energy inside you. Learning Senjutsu won't be a problem now."

Long Ye's words brought Rin back to the present.

No one was more stunned than she was. She could clearly feel that her chakra reserves had increased nearly tenfold.

It felt as though the "bottle"