C180 Dao Cheng!(1)

See you in that era.

That was the last words left behind by that great figure from the ancient times that called himself Dao, and it seemed to have transmitted some sort of information. For example, Nangong Yu and Dao could still meet again, but the exact time was blurred, and he didn't speak clearly.

Exactly what era was that era? prehistoric era? Grandmist Era? The Chaotic Era? Or was it..