C831 Cloudwalker Mo Cangtian

"What is the fifth level of the Spirit Power Test, the Iron Tower?" Cloudwalker Mo Cangtian's expression changed as he asked softly. Although he was an outer court teacher, he did not know much about the inner court's Spirit Power Test, the Iron Tower. The ones who truly understood it were Zhang Tianshi and Zhang Junbao, the outer court's dean. After all