C263 Vulnerable to a single blow

When Zhao Daoyuan and the others heard the four words "Nether Ice Coffin", they couldn't help but be startled. This ice coffin was the secret of the Zhao Family, even the strong in the clan, other than a few elders, the rest of the disciples did not know about it. They really couldn't understand how this cultivator in front of them knew the secrets of the clan. Other than that