C4640 Kappa Energy

Hu Zheng shook his head and said, "Martial crystals are very rare and can only be found in a small amount in a few mines."

When Zi Chen heard about it, he felt somewhat regretful. If the Martial Crystal Mine existed, he could go and give it a try.

Hu Zheng continued, "However, the martial crystal from the No.1 mine was found. During this time