Unexpectedly, Shopkeeper Wu recognized it at a glance and exclaimed in shock, "These are Profound Yin Thunderbolts!"0

Seeing Qin Sang's puzzled look, Shopkeeper Wu took the initiative to explain, "Artifact refinement may be a small branch of study, but as you focus on the path of cultivation, Daoist Qin, you may not have heard of the Profound Yin Thunderbolts. Several thousand years ago, Profound Yin Thunderbolts were famous devilish artifacts, originating from a devilish sect called the Youshen Sect. These artifacts once struck fear into righteous cultivators. In the world of immortal cultivation, they were as renowned as Heavenly Thunderbolts. After the fall of the Youshen Sect, the method of refining these thunderbolts was lost, and it's been many years since they’ve been seen..."0

As Shopkeeper Wu spoke, he moved closer, holding the Profound Yin Thunderbolts with great admiration, examining them over...0