Why?

Huan Mingzi rushed over in time, squeezed a ring into Di Jiu's hand and said, "Hurry on in. The Small Central Planet will be open for a year. I hope you can improve further during this year."

Di Jiu, who knew that this ring had been exchanged with the three qualifying jade cards, accepted the ring unabashedly. "Senior Huan, the Small Central World opens once every 100 years. However, I heard the Skygold Domain Lord say that the spirit herbs inside are all more than 1,000 years old. Why is that?"

Di Jiu had wanted to ask this question for a long time, but he hadn't managed to.

Huan Mingzi didn't answer directly. Instead, he only told Di Jiu, "I've heard scattered news that there's a layer of time-law fragment cocooning the Small Central Planet. Whoever gets this could become a mighty expert in the universe…"

Di Jiu took a deep breath. Time-law fragment…