It is said that Zhang Sanfeng, a great master of a generation, wore a piece of jade in the shape of Taiji with him since he was a child. He only knew that this jade was on him as long as he could remember, but he didn't know that this jade was one of the top ten artifacts in ancient times. The Taiji Soul Stone. The stone can make practitioners get twice the result with half the effort, and it is invulnerable to all evils. It was originally a treasure that Yuan Tianzun carried with him, but it was accidentally lost to the mortal world. Light, was noticed by Yuan Tianzun. Yuan Yuan Tianzun was delighted to use magic to take back the Taiji soul stone, but at the same time he also recruited Zhang Sanfeng who was carrying the Taiji soul stone. Yuan Yuan Tianzun was not surprised but delighted. Then he was accepted as a closed disciple.