The True Essence within the Heaven and Earth Dao Origin continuously transformed into Supreme Qi.
The Supreme Bloodstone inside the Martial Heart Palace also injected streams of blood qi into the World Extinction Dao Source.
Both Dao Sources spun rapidly and continued to expand.
About half an hour later, nearly all the True Essence within the two Dao Sources had transformed into Supreme Qi.
At the same time, a patch of three-colored Tribulation Cloud gathered in the sky, radiating azure, black, and violet light. From within each color of tribulation cloud came earthshaking roars, while dragon-shaped lightning bolts darted through the clouds.
Rumble!
The Tribulation Cloud churned without end, releasing an incomparably terrifying aura that seemed to solidify the very air.
Almost every living being within a radius of ten thousand miles sensed the aura of that Tribulation Cloud.
Whether they were geniuses from the God Realm or soul fiends that had originally inhabited the Third Level God Sealing World, nearly all of them retreated into the distance, afraid of being swept into the Tribulation Cloud.
The stone people three thousand miles away also sensed the Tribulation Cloud overhead. They stopped attacking at once, immediately turning into Stone Tablets and swiftly sinking underground.
The Nine-Tailed Demon Empress stared at the three-colored Tribulation Cloud in the distant sky, feeling deeply shaken. She muttered to herself, "How could such a powerful Tribulation Cloud appear in the Third Level God Sealing World? Could Exterminate Humans King have drawn it here?"
One had to know that heavenly tribulations would only descend when one broke through the True Person Realm or the Sub-God Realm.
Only a freak like Ning Xiaochuan would be struck by heavenly tribulation every time he broke through a realm.
Ghost Leopard Supreme revealed a startled expression. "That is the 'Three Fiends