Mortal realms:

Foundation Establishmeng

Spiritual Realm

Golden Core

Fire Realm

Black Hole Realm

Holy Realm

Half Emperor realm

Great Emperor Realm.

Immortal Realms:

Immortal realm

Silver Immortal Realm

Golden Immortal Realm

Diomand Immortal Realms

Sovereign Immortal Realm

Immortal Emperor Realm

Immortal Ancestor Realm

Higher Realm will be discovered later on in the story. Each realm has 4 stages which are: Early, Middle, Late, high and peak.