C241 Wings Couldn't Escape!

Wang Lin snorted coldly, "Sir, you said it's light. There is a barrier around the Imperial City, the surrounding walls are as smooth as the walls of a porcelain bowl. Furthermore, the wall is hundreds of feet tall, and is impossible to climb up. This place was simply impossible to escape! "Besides, I have an important mission this time. I must think of a way to get close to the emperor