The Sword Demon Emperor gave a half-smile as he glanced toward several directions within the city below, then said, "Little ones, good luck to you all. I hope every single one of you manages to leave alive!"
With those words, the figure of the Sword Demon Emperor slowly vanished.
With a solemn expression, Xu Chen muttered under his breath, "As I suspected, this city is a Spirit Artifact—Floating Tu City, a mid-grade Emperor-tier Spirit Artifact. Since it can trap even an Emperor-level powerhouse for a time, it seems the only way I can hope to make it out alive is to play along with the game set up by the Sword Demon Emperor and hold out for three days without dying..."
Chapter 624