C151 Treasure and Black City

When I heard this, I couldn't help but turn pale with fright and hastily look at the thing in Huang Biao's hand. It was a prismatic black stone, but it was faintly glowing with a layer of red light, giving it an indescribable evil aura. Huang Biao's face was also turning black, and his veins were bulging. His eyes were filled with blood, making him look very strange