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This is the division of realms for gods and demons in the World of Gods and Demons.
Whereas in the Daluo Immortal Realm, the division of the Ancient God System is a simple one to six tiers, corresponding to the Immortal Path system from Qi Cultivation Realm to True Immortal Realm.
Before the sixth tier, there is a Half-step Sixth Tier, corresponding to Half-immortal, which is also the Undying Realm in the World of Gods and Demons.
The Undying Realm is the realm where, after the pinnacle of the Life and Death Realm, Innate Divine Spirits begin to be born in the Divine Aperture. The "undying" here does not mean that the cultivator of the Ancient God System is immortal, but that as long as the Ancient God is alive, even if the Innate Divine Spirits within the Divine Aperture perish, they can be reborn, which is truly undying.
