C673 Antiques at the formation research center

"Heavens, what rank of Spirit Crystal is this? It should at least be a level 3, right? "

Zhou Xianguang picked up a Spirit Crystal and carefully observed it in front of him, wishing that he could swallow it in one gulp!

Li Qingyu gave a thumbs up and said, "Commander Zhou has good eyes! Fifteen Spirit Crystal, ten of them were third level, three of them were fourth level, and two of them were