The moment that black lightning emerged, the entire lightning domain seethed, and its thunderous might surged more than a hundredfold!
The overwhelming pressure crashed down in waves like an angry tide breaking against the shore, grinding toward the four of Dipamkara Buddha Daoist from all sides. The void trembled with a deep hum, and the stars dimmed and lost their luster.
The four men's expressions changed drastically—the pressure far exceeded their predictions, so heavy it was nearly suffocating.
They had assumed that with their cultivation as Quasi-Saints, even a tribulation would be nothing more than a minor test of their abilities. Only now did they realize that unless they fought with every bit of their foundation and let their blood stain the starry sky, whether they could survive intact was impossible to predict.
At that moment, above the Heavenly Vault, the purple clouds grew deeper and denser, gradually shifting from bright violet to a rusty dark purple. The red clouds burned ever more fiercely, finally turning into a dark red resembling coagulated blood. The two colors intertwined, melted together, and churned violently, ultimately condensing into a heavy purple-red Calamity Cloud, so thick it seemed capable of crushing the eternal flow of time and space.
Dipamkara Buddha Daoist's heart shook violently. He raised his head and stared upward, his voice trembling slightly. "What kind of tribulation is this? Why have I never heard of it?"
Doubt and chill had already poured over his head like icy water, silently spreading through every limb and bone.
It was hardly surprising that he had been ignorant. This cloud was truly the first genuine tribulation cloud since World Creation! The four of them were Quasi-Saints and had long since broken free of the constraints of lightning tribulations. But Bai Xuan had emerged from nowhere and