C934 Profound Rank Seventh Grade Heaven Slaying Sword

This was the reason the refining of the top-tier Profound Edge Stone at the Profound Rank was so slow.

As the Heaven Slaying Sword's grade increased, the refining speed for high-grade ores like the Profound Edge Stone would surely quicken.

Boom!

At that moment, just as Ye Chen's words fell, three green rays of light burst forth from the Heaven Slaying Sword