Within the Primitive Demon Gate Ruins.
The vast forces of Taiyin and Taiyang transformed into a boundless ocean.
Faced with the Primeval Demon Spirit's pleas for mercy, Lin Yuan remained unmoved.
Whoosh!
A strand of Yin Yang Power turned into a sharp sword, piercing through the blood-colored body of the Primeval Demon Spirit.
In an instant, the blood-colored body boiled and then rapidly recovered.
However.
This scene caused Lin Yuan to be slightly startled.
Because—
[Your understanding defies the heavens. You have observed a portion of the Primeval Demon Spirit's essence and comprehended the Demonic Tao secret technique 'Great Desolation Rejuvenation Skill'.]
In the blink of an eye, everything about the 'Great Desolation Rejuvenation Skill' flooded into his mind.
"This skill..."
Lin Yuan's eyes narrowed slightly.