By the time Dark Nightmare Ghost King, Ghost King Ziming, Ice Corpse Demon Ba Han, the Zhao clan's one-eyed elder Zhao Zhen, Su Qing, and the others had passed through the gray shroud, Lu Xiaotian was already hundreds of miles away.
The strange black water was kept out by the gray shroud, so he no longer needed to circulate his magical power to resist its pulling force. The rocky ground, however, rippled like water. The earth shifted, and one sharp peak after another—some short, others towering—rose from the ground like bamboo shoots after rain. Some stretched skyward into mountains. Together with the buildings corroded by the black water, they formed a rugged world.
"What an incredible feat. The ancient cultivators built an immortal city among these mountains, and the mountains themselves are a natural formation!" Looking down from above, Lu Xiaotian could see at a glance that this place was extraordinary, thanks to the centuries he had spent studying formations. The mountains seemed scattered and unremarkable, yet they could change the face of heaven and earth. Perhaps they looked one way from above, but once someone fell among them, they would appear entirely different. Anyone unfamiliar with this formation would find it no easy task to get back out.
"No wonder the fragments of the Dinghuang Cauldron vanished after flying into this area and falling. The ancient cultivators' formation is behind it. It draws in the spiritual energy of heaven and earth. There must be at least one precious spiritual vein beneath this immortal city—perhaps several—or the formation couldn't have kept running until now. When large spiritual veins remain undeveloped, they can replenish themselves to a degree." Lu Xiaotian stroked his chin. His spiritual sense detected several powerful auras drawing near.
"Two fists can't fight four hands. I'd better avoid