In the event that the old monster has worked for Chu Nan for one hundred years, no one knows except those super core people in the Taiyuan gate. Many forces don't even know where the old monster is sacred.

maybe the skeleton killer organization will spend time to learn the identity of the old monster after careful investigation!

but now, it's impossible for them to know who the old monster is!

they don't know that the old monster is a high-ranking person that they need to look up to. Their ten skeletons are all in the realm of Emperor Wu. If they need to look up, it's wuzun. Which wuzun...