C957 Exchange It with the Book of the World

Yang Kun couldn't believe it. This place had become the ocean of the past. It would be the immortal realm that he had left not long ago.

"How is this possible? In such a short period of time, the immortal realm had already... That's it. "

Yang Kun looked at the submerged immortal realm. It was a vast ocean, and not a single person could be seen