C270
Of course, before coming over, Liu Cheng also asked Old Man Xu the same question as Liu Yunxuan, but Old Man Xu's answer was obvious. That was also why Liu Cheng came with Old Man Xu, because Liu Cheng also wanted to know how Bai Yuhao did it!
"Did he really create it himself? How is this possible, even a beast tamer as powerful as Grandpa Xu was unable to do such a thing