C3882 Refining Weapons and Pills

Heavenly Eagle King flew into the cave and became smaller.

Ning Caichen jumped down from his back.

He saw pieces of pitch black iron ingots.

It seemed to be iron ingots, but they were all black iron. Heavenly Eagle King had forged these ingots out of alchemy torches and ores.

"Why didn't you extract the impurities?" Ning Caichen said