In the Primordial Era, the demon sovereign and immortal emperor had fought to a stalemate that the latter ultimately broke by shattering the demon sovereign’s dao heart.

Upon his fall, the demon sovereign’s obsession had transformed into an enduring true spirit. From this process, it could be seen that he was an exceedingly proud and opinionated individual.

Only one who valued the weight of their words in gold could form an enduring true spirit. If the demon sovereign were to break his word after being reborn, he would be breaking his dao heart again and truly meet his end. 

…… 

“Additionally, the Green Firmament isn't the only party you should be wary of. If my speculations are right, the demon god will also visit the central world," remarked Lu Yun, who...