C2145 Same Last Name

"The outside world?" What is the outside world? " The grey-robed elder asked Wu Hui.

"The outside world …" Wu Hui slightly paused for a bit, "I guess it should be the Essence Strength world."

"Essence Strength world... Hehe, Xiao You is joking, this place is the Essence Strength world, how did it become the outside world? " grey-robed elder shook his head, he was smiling too