C509 Make Him Kneel down

The white powder scattered around Qin Feng.

Old Master Guu's brows tightened, and his eyes revealed a hint of viciousness.

The corner of his mouth curled up, and he gritted his teeth and said, "Qin Feng, since it's like this, then I can only let your good disciple test the medicine! Anyway, he is already poisoned. I don't mind adding another poison!"

After saying that