Xing Beichen fixed the shining bug with a blazing gaze as he lowered his voice as much as he could and said, “Metal-devouring Bugs are good stuff. They feast on all kinds of metal. Even though they’re small, they’re harder than any kind of metal.

“Also, Metal-devouring Bugs can merge with almost any spiritual tool. They can, to a great extent, improve the spiritual tool’s hardness and sharpness. The higher grade the Metal-devouring Bugs are, the better the strengthening ...