Because quite a few clan members were counter-killed by Players while attempting to seize their bodies, the fact that Players cannot be possessed has already spread among the fiends of the Outer Void.
Although they do not know the origin of the Players, they can clearly distinguish between the cultivators of the Myriad races and the Players.
When facing Players, as long as one does not rashly attempt possession, there is basically no danger, because those people are very weak.
Chapter 715