The ultimate realm of an undercover is perhaps when you lie in wait so well that you turn the high ranks of your enemy into your own insiders.
This trick is remarkable...
So, in the end, it might be either Lin Yun infiltrated the Grassland, or the Grassland has planted an insider in the Central Plains...
"Sister Yu can plot to take the position of Shenxiao Sect Leader, and since Fang Yu is not obsessed with power, she will inevitably give up her position when you show your intelligence. Moreover, she seems to have some thoughts about Brother Yun, so you must keep a close eye on her."
Dongfang Hongyue also strongly agreed with this.
"You must keep a close watch!"
Lin Yu: "..."
She actually admired Fang Yu quite a bit. To her, Fang Yu was a senior, and even though her own cultivation level had increased to the point where she could possibly defeat Fang Yu, Lin Yu still respected her.