Chapter 465: Chapter 466 Another Top-Grade Cornerstone!

It didn't take long for Tang Zhen to complete the exploration and clearing of the five passages.

During this time, he discovered more than a dozen humanoid monsters in a secret room. When they attacked him, Tang Zhen easily dealt with them.

After emptying the secret room of all its items, Tang Zhen released his mental energy, attempting to sense the location of the gray fog monster.