"Sizzle."

Ethereal grey mists continuously entwined around Du Fei, the appearance of these mists causing Du Fei's brows to furrow slightly, a trace of pain flashing in the depths of his eyes.

Clearly, utilizing this power was an extremely reluctant choice for Du Fei. If it were not for the current extraordinary circumstances, perhaps even Du Fei would not be willing to exert this kind of power at this time.

And this power had always been lurking ...