Chapter 521: True Dao Three Realms, Great Yan Holy Land (2)

Wang Daoyi knew too little about this. He only knew that the Ancient Kings were powerful existences above the Xuan Sea Realm. They had once dominated the universe in the ancient era and controlled many Holy Lands.

When Cui Heng heard Wang Daoyi's description, he even felt that this might not be a realm.

Instead, it was a group.

This group might contain many realms.

Among the Ancient Kings, there might be people weaker than the Mid-stage Soul Formation realm, or there might be people stronger than the Mid-stage Soul Formation realm.

"The universe is vast and boundless, with countless mysteries. Naturally, there are countless experts."

Cui Heng sighed in his heart. "Although I've already broken through to the Mid-stage Soul Formation realm, I'm still like a speck of dust in the entire universe. I can't be complacent because of this, let alone become rash because of this. In the future, I still have to think twice before doing anything."