C528 Unable to Advance

Lu Tan's facial expression finally changed. He had never thought that Wu Chen's strength would be so powerful that he could unleash the power of an Earth Rank Spiritual Treasure to such a terrifying extent.

"Crack!"

A sharp sound pulled his thoughts back. Lu Tan took a closer look and was shocked to see a crack appearing on his Golden Circle.

"How is this possible?"

Looking at this crack