Faced with Jun Xie's "insistence", Yan Bu Gui was helpless and had no choice but to give in to him. But he secretly instructed the others to keep an eye on Jun Xie and protect him from harm.
Because Jun Xie possessed a rather unique ring spirit, Yan Bu Gui did not give him the usual instructions in the development of his spiritual powers but to just stay by the lotus pond and accompany the recovering Snow Lotus.
Qiao Chu and the others were looking into ways to locate the other six human skin maps. The Twelve Palaces might have seized possession of them, but they did not dare to keep that hot potato in hand. The Twelve Palaces had instead secretly colluded with various powers of the Lower Realm and had given the maps to them to do their dirty job of searching for the Dark Emperor's tomb on their behalf.
Sneaky tactics like this, were commonly employed by the Twelve Palaces.