C201 A Comprehensive Upgrade(1)

Suddenly, the black droplet that had been serenely floating in Yang Chen's dantian quivered. The blue inscriptions on its surface began to glow faintly.

"Seal!" The chant echoed.

Weng Weng Weng!

Spiritual Qi roared within Yang Chen's dantian like a torrential river, relentlessly scouring the black droplet. Slowly, an exceedingly fine stream of air was extracted from it