C344 The Drawbacks of Advancement

After discovering this flaw, Tang Ao secretly cursed the creator of the Tianyan in his heart. He did not say anything about this flaw after his Fate Soul had advanced.

Actually, Tang Ao had already missed out on the person who created the Tianyan. Although Daolord Yan Fu who created the Tianyan found out that his Fate Soul could evolve, she was still exploring it because of it. Therefore