Guo Feilong stepped onto the formation arena, which was exclusively used by Integration stage Elders. It had a diameter of ten miles, making it the largest formation arena Guo Feilong had ever seen.

The Artifact Spirit of this formation arena could forcibly separate Integration stage cultivators, indicating the high grade of this arena, capable of withstanding battles at the Integration stage. Its hardness was at least equivalent to a Supreme Quality innate Divine Treasure.

Moreover, with the formations on it, even a Tribulation Crossing Supreme stage cultivator would find it difficult to destroy such an arena.

Buzz!