“Sounds about right.” Chen Feng nodded. Although no one had begun mining work on this mine before, Chen Feng did possess a certain amount of understanding towards it. For example, the ores that he had acquired in the past also contained some ordinary rocky materials and impurities, let alone these iron ores. The same held true for spirit stone mines.

After that, Chen Feng took a few more steps forward. Then, he picked up another fist-sized stone. As expected, this stone was considerably heavier compared to the previous stone. Sensing that, Chen Feng knew that the Mystic Iron content within this stone was much higher than the previous one.

This is an Iron Essence Grass, a type of medicinal herb that grows near mines. It is usable in the forging of magic treasures. Chen Feng stretched his hand to pull out a medicinal herb that had a completely metallic look. It looked as though it was made using metal. It felt heavy and Chen Feng was able to sense a thick iron essence within the Iron Essence Grass.

Looks like cultivators who practice metal-type magic techniques can also use this medicinal herb for their cultivation practice. Chen Feng’s palm exerted a suction...