章 875: Chapter 488 Heavenly Thunder Exercise_2

"I don't know." The others simply shook their heads.

Ye Song even went so far as to say, "There are no records of this at all."

"However, I once read an ancient book that speculated all strongmen in the God King Realm, it seems that only the Tianyuan Divine King had once condensed a Perfect Inner World during his weaker years."

"It's said, just said, that to achieve the foundation of a Perfect Inner World, it seems one must comprehend the legendary Supreme Rule."

Hiss!

All the people in the venue collectively inhaled a breath of cold air.

To know about the Supreme Rule, let alone them, even the Higher Gods above them, very few could master the Supreme Rule.

Boom!

Just as they were shocked in their hearts, they suddenly felt an immense Heavenly Might descending.

All of them looked up at the sky above the void, and at some unknown time, a large expanse of thunderclouds had gathered.

"T-t-this, how could there be a Heavenly Tribulation!"