Chapter 869

A million-mile sea of blood clouds spun through the sky. From within it, a millstone spanning a thousand miles slowly emerged. Strands of deep blue lightning flowed across the immense millstone!

"Three hundred and sixty-five!" Cao Bing frowned slightly as he looked up.

Qin Yu, Hou Fei, Xiao Hei, and the others beside him all became solemn and readied themselves with complete vigilance.

Though this blood sea of tribulation only spanned a million miles, making it somewhat smaller than the battlefields of ninth-level Immortal Emperors, the energy contained within was anything but simple. Sometimes, greater spectacle did not necessarily mean greater power.

Especially since this Divine Tribulation had descended according to Cao Bing's strength as its reference, and because four people were undergoing tribulation at once, its power had been directly multiplied sixty-fourfold!

Furthermore, this deep blue lightning was no ordinary divine lightning. It was lightning imbued with terrifying power and powerful lightning laws.

When the Azure Emperor and Xing Yuan, the Gold Punishment Sect Master, had undergone tribulation, there had only been nine strands of deep blue lightning. Yet now, three hundred and sixty-five strands writhed madly in the sky, each one much thicker than the lightning from the Azure Emperor's tribulation.

The deep blue lightning during the Azure Emperor's tribulation had been no thicker than a thumb, but the lightning facing Cao Bing and the others was as thick as an adult's arm.

Its power was naturally easy to imagine!

Moreover, the deep blue lightning in the sky was not simply hanging amidst the clouds. It had formed an ancient formation, one Cao Bing and the others had also seen when the Azure Emperor and Gold Punishment Lord underwent tribulation.

Only, this lightning formation was far more complicated than those from the Azure Emperor's tribulation, and the pressure