Taoism Declines, and the Supreme Thunder Method Is Obtained at the Beginning

Taoism is declining, evil spirits are pervasive, and changes are occurring. Gu Jin traveled through time and became a miner at the bottom of Black Rock City, but unexpectedly obtained the [Retracing Heart Seal] that can read the marks of all things. From then on, the slag became treasures and the waste rocks hid Taoist scriptures. The blue thunder in the palm of my hand bloomed, and I wanted to save money to buy a place in the Immortal Sect's examination, but I always got into trouble. What is the truth behind Jingzhuo Tianyuan? What is hidden under the evil spirit?