Every stage is divided into nine stages and our MC instead of absorbing natural chi, he uses the devil, demonic, magic and inner qi as a substitute.
1. Low class devil
2. Mid class devil
3. High class devil
4. Emperor class devil.
5. Ultimate class devil.
6. Super devil (Mutation).
It is better to suppose that there are no corresponding stages relating to cultivation and devil systems.
The manual MC has is actually for IMMORTAL cultivation but due to the system of cultivation, our MC has undergone it gone from IMMORTAL to DIVINE cultivation (Instead of producing IMMORTAL qi he produces DIVINE qi).
When people converse to each other it is - " "
When people talk to themselves it is - ' '
When gears converse to each other or people it is - BOLD LETTERS