It is also mentioned in the hierarchy book, but it is only one sentence in the east and one sentence in the west, which is not very detailed.

Let's talk about it in more detail here.

Ghost Master: Ghost Master, Ghost Master, Ghost Master, Ghost Master, Demon Commander, Demon King, Demon Master.

For the ghost level: ghost disciples, ghost soldiers, ghost warriors, ghost generals, ghost kings, ghost emperors, ghost honors

Metaphysical Cultivation Hierarchy: Refining Body Realm: Building the Foundation, Washing the Marrow, and Rebirth, Inner Xuanjing: Small Zhoutian, Great Zhoutian, Infinity Mirror, Outer Xuanjing: Jade Xuanjing, Silver Xuanjing, Golden Xuanjing, Spiritual Realm: Transformation Mirror, Transformation Divine Realm, Transformation Mood, Stepping Mirror: Dengfeng Mirror, Pole Creation Mirror, Law Mirror.