In the small woods of the school, just as Zhang Yu activated the Red Marrow Primordial Qi, waves of mystical energy immediately swept towards his entire flesh and blood.
Especially after the Red Marrow Primordial Qi tempered every piece of flesh, internal organs, and bones in his body.
The True Spirit Root seemed to be adapting to this situation as well, continuously infusing mystical energy into each part of Zhang Yu's training, in coordination with the Red Marrow Primordial Qi, accelerating the vigorous growth of Zhang Yu's body.
Cultivation, after all, was historically practiced by those with a Spirit Root.
At this moment, truly using the Spirit Root for cultivation, Zhang Yu felt the difference between the two profoundly, feeling the additional boost to physical growth from the infusion of robust mystical energy into flesh, working with Body Refinement.
And aside from that…
