C1333 Tian Yuan's Sacred Badge

And in the entire Tianyuan Continent, only the Dongyuan Continent had any use for Profound Essence Ancient City that could enter the Tianyuan Secret Realm.

Even the Profound Essence Ancient City in Central Essence Continent and all the other provinces were useless.

Profound Essence Ancient City itself was built for Sky Origin Temple and Profound Essence List Ranking Competition