Perhaps they wanted to compete for the Phoenix Soul Fruit. After all, many guessed that once Fairy Sword Ji and the others emerged from the Beast Soul Realm, Chi Xue and his people would come out too. Or perhaps they knew that with Fairy Sword Ji and the others joining the siege, the Outer Realm Cultivators could no longer cause much trouble. Either way, some cultivators left the ranks surrounding the Outer Realm Cultivators and headed for Beast Soul Valley instead. This infuriated Feng Ying and the others.
Still, Feng Ying and the others knew that Fairy Sword Ji and her group would greatly strengthen them. They had no problem dealing with the Outer Realm Cultivators and holding out until Ling Tian and the others emerged from the Beast Soul Realm, so they did not pay much attention to the cultivators who left. After all, their departure was not entirely a bad thing: many belonged to other factions, and sooner or later they would attack Chi Xue and his people, causing the latter some trouble.
Fairy Sword Ji, however, knew that these people could not pose much of a threat to Chi Xue and his group. Chi Xue had already allied with the Po Family Brothers and the others, and the God Devouring Bodies and Ancient Divine Beasts they had recruited were a formidable force in their own right. They could go to Chi Xue's aid.
Besides, the Nine Great Super Factions certainly did not want other factions to seize the Phoenix Soul Fruit, so they had sent some experts to provide support. Those experts could join forces with Chi Xue and his group to repel attacks from the other factions' experts without much difficulty.
Of course, plenty of people suspected that Fairy Sword Ji and the others had already