This chapter is to help people remember how cultivation realms work, in case they ever forget, and please do keep in mind that these will be explained in the story.
There are 7 realms:
Spirit Realm
Origin Realm
Sky Realm
King Realm
Saint Realm
Emperor Realm
God Realm
Each realm is divided into three sections; Martial, Earth and Heaven stage, which are further broken down into early, middle and peak stage.