Thunder-Fire Demon Cave

An unfamiliar yet familiar setting—

The Thunder-Fire Demon Cave.

Everything before his eyes at that moment made Li Xiang feel as though he had become one with the entire Thunder-Fire Demon Cave. He sensed everything within it. The naturally formed heavenly thunder was, of course, more powerful than that in Azure Cloud Prefecture. The scorching lava rising from underground kept bringing back memories of the days when he had sat before his computer, watching his descendants struggle in the Thunder-Fire Demon Cave.

He rose in a daze and wandered through the cave as though desperate to confirm something. Of course, his route had a purpose: he passed through places his descendants would occupy in the future. Some had yet to form, and the space was not as vast as the future Thunder-Fire Demon Cave, but certain traces dispelled every last doubt. One was the abyss where Devil Master Fang Linglong had healed his wounds—a pitch-black rift cleaved open by heavenly thunder.

"Did I influence the future, or did I unknowingly follow the future's footsteps to change everything?" An unprecedented uncertainty crept over Li Xiang, making him seem like a philosopher. He understood that he had gained a little insight into the Human Sovereign's "Causality Law." His gaze grew clearer, and an amused thought arose in his heart. A few years ago, I would definitely have called the Human Sovereign a son of a bitch.

At that moment, besides the rolling heavenly thunder above the entire Thunder-Fire Demon Cave and the blazing earthfire within, an inexplicable Dao resonance surged through the cave.

Causality Law.

Air currents stirred around him. Li Xiang raised his head toward the sky, catching a thread of the Great Dao of causality—a very simple one. Because he had undergone his tribulation here, the Thunder-Fire Demon Cave existed