Chapter 719 The Sealed Secret (Ⅰ)

Hearing Yvning’s words, Ning Chenxuan said with a smile, "if you are talking about this, I think I know something that can help you." Hearing this, Yvning said excitedly, "you mean you know this?" Ning Chenxuan looked at Yvning and nodded earnestly. "You’re right. My master and I had a special inv