C617 The Sudden Crisis!

"This is?"

Sensing the slight change in Qin Shaofeng's aura, the figure in the black fog was startled, and then became puzzled once again.

"The aura of advancement? But this Qin Shaofeng is still a Holy Essence Stage Peak, and he hasn't broken through to the Low Rank Saint realm yet. But, what's with this Qi of advancement? Could it be? "

The black fog trembled