C453 Wind and cloud raising

"We've already used all of our strength, but we still haven't found any clues. However …"

An official said in a low voice, as if he was unsure and did not dare to say it out loud.

"Speak!"

Grey looked at him and said lowly.

"We found out that the information about the Heavenly Road was recorded on three pieces of jade by Earth's ancestors. One of them is on the dao gate