C166 Practicing Qi Gathering into Gang

At this moment, Sun Bing was already standing outside the Tianwu City, quietly looking at the towering city wall in the distance. He even felt a sense of relief in his heart.

This was because before the water in the Tianwu City became muddy, he had already purchased all the cultivation resources he needed. It was enough to support his cultivation to the fourth level of the Qi Refining