Mr. Su Bai pointed at himself, "You mean, at that time I was already possessed? Or rather, my consciousness was ** controlled?"
"Amitabh, The monk believes that it should be one of these situations, White. When you jumped into the sea, you briefly lost consciousness, and that old woman who infiltrated your body from the back of your head took control of it.
Since that old woman could be threatened by the formation that the fat guy had set up, and could be forcefully pushed out of your body with glass, it shows that she indeed is a wronged soul with not very strong power but had the advantage of playing on her own field.