C390 Extermination of buddha root

"I will set up a formation on the side and gather all the surrounding spiritual energy inside the formation. When that happens, the concentration of spiritual energy inside the formation will be ten times higher than outside. I think one month will be enough for you to improve!"

After saying that, Lin Tian no longer spoke, but upon hearing this, Tian Bing heaved a sigh of relief, "It's good