C5200 This Is the Ancestor of the Thousand Demons?

The Demon Ancestor was the Eastern Wasterland, and even a Super Old Fogey of the entire Void Realm. In the era he lived in, he was only second to the Holy Lord of Void Heaven.

As for how long this demon clan's ancestor had lived, no one knew.

No one knew why this existence, which was once invincible within the Eastern Wasterland