MTL - Naruto: I Became Naruto’s Blackened Personality - Chapter 47

... e Shan Zhongfeng knows medical ninjutsu.

Seeing the disappearance of Nine-Tails Chakra, Kaze Yamanaka hurriedly stepped forward and used the Palm Immortal Technique on Sai.

It's just that he just brought the medical chakra on his palm close to Sai's body.

Saii's chest pain, which was still slightly ups and downs, stopped.

The pupils in both eyes also lost focus, and became loose and dim.

Not only Sai, but also a bunch of Anbu ninjas lying sparsely beside him.