Wang Youyun formed a hand seal, and the yellow light barrier moved downward.
As they delved deep underground, the yellow light barrier twisted and deformed. Generally speaking, Immortal Cultivators would not dive too deeply underground. If there happened to be a special Metal Ore Vein below, even the Earth Tunneling Technique would be useless. Once they encountered a high-order Earth Attribute Demon Beast, escaping would be extremely difficult.
Before long, the yellow light barrier came to a halt, unable to advance any farther.
Wang Youxin swung the Golden-Red Long Saber in his hand and slashed at the ground.
With a muffled metallic clang, sparks flew in all directions.
Wang Youyun released more than a hundred thousand Silver Sheath Insects and controlled them as they swarmed toward the ground.
The more than one hundred thousand Silver Sheath Insects scattered and gnawed at the soil.
After a quarter of an hour, they dug out a piece of pale golden ore.
The golden ore felt surprisingly light in Wang Youxin's hand, yet even a Heavenly Treasure could not easily cleave it apart. Wang Youxin released his spiritual sense, but when it approached the golden ore, he detected nothing at all.
"This is God Binding Stone!"
Wang Youxin exclaimed in surprise. God Binding Stone was a sixth-order Refining Material that could isolate spiritual sense probing. If one used God Binding Stone to refine a treasure, then even if one stood right under an enemy's nose, the enemy would not be able to discover one's presence through spiritual sense probing.
Important locations belonging to an Immortal Cultivation Family or immortal cultivation sect would all use God Binding Stone to set up arrays that isolated spiritual sense probing. This material was quite expensive and was also indispensable to all the major powers.
The piece of God