It took Ning Cheng a whole day to sort out what he had acquired. Since entering the starry sky, he rarely spent energy on artifact refinement—any spare time he had went into researching formations instead. As a result, many of the materials he came across were unrecognizable to him; nevertheless, he carefully stowed them away, recognized or not.
He still did not possess a suitable long spear, and upon arriving at the Central Heavenly Star Domain, he would definitely need to seek help in refining one. Perhaps these materials would come in handy then.
