C298 Hidden Secrets

Han Qiang said regretfully, "No wonder I only saw some formulas to strengthen the body and health in the books. It turns out to be an incomplete green sack book."

Black robed man sighed regretfully, "It's useless. Even if the green sack book is passed down, it might still be a useless book now."

Han Qiang asked with concern, "What do you mean?"

Black robed man smiled bitterly and said