C955 Fighting Poison with Poison

"Damn you old man, do you want me to die?" Hee Feng opened his mouth and cursed, but his cursing had already weakened. He no longer had the same imposing manner as before. He was like a child who did not know how to speak. His words were incoherent, and his imposing manner was completely gone.

No one knew what kind of poisonous gas that poisonous gas was