A Temporal Demon Spirit Book suddenly appeared on Nie Li’s palm. There was a bright radiance emitted from the book, which enveloped Nie Li and Yu Yan.

“What’s the Temporal Demon Spirit Book?” Yu Yan asked in perplexion.

“It’s the strongest treasure in the world!” Nie Li smiled.

“The strongest treasure in the world?” Yu Yan had her own doubts. “What kind of treasure is it that deserves this title?”

“In this world, there’s nothing more powerful than spacetime. Time can erode everything, while space can tear everything apart. With the Temporal Demon Spirit Book, we now have the means to fight the Sage Emperor,” Nie Li...