The quality of such treasures is already sufficient to use as materials for refining Magic Artifacts for Golden Core Stage Cultivators.
It's certain that no one in the Zhang Family can refine such a thing; this Iron Essence is likely a treasure obtained from elsewhere.
"Unless it's a family clan recently established by a Loose Cultivator, which family that has become a significant Cultivation clan doesn't have a heritage of hundreds of years? Over time, slowly accumulating, they will always be able to gather some high-grade treasures!"
Zhou Daoyi said nonchalantly, then couldn't help but shake his head slightly, "It's a pity time is too tight, we can't slowly leverage the Zhang Family, otherwise, just these items, are definitely not enough to exchange for the life of a Purple Mansion Phase Cultivator!"
