章 4768: Refined calamity sword and refined calamity divine lightning

Ye Undying's words shook the hearts of all the heavenly human experts.

"Forefather, you mean ... The heavenly Palace?"

An old heaven monarch said with a trembling voice that was filled with respect.

The primitive heavenly Palace was the most mysterious of all the heavenly palaces. It was also the rumored fifth heavenly Palace.

This Celestial Palace was completely different from the four celestial palaces that the outside world knew of.

He was mysterious and unpredictable, even in the eyes of many heavenly human tribe heavenly Lords.

Many heavenly Lords only knew that there were very few people in the primitive heavenly Palace, and that the terrifying heavenly human beings lived there. They also conducted some terrible experiments and sealed some monsters.