Raw iron Gu is a Rank Two Gu worm, shaped like a coal ball, the size of a fist, and pitch-black with countless tiny pores across its surface.
Fangyuan channeled his silver primeval essence into it, causing the raw iron Gu to float up and spin leisurely, spraying out iron-qi like black mist from its pores.
The sawtooth golden centipede was coiled at Fangyuan's feet. Its dark gold dorsal shell was covered in scars, and its two rows of silver-edged sawteeth were heavily damaged.
Chapter 177