In this novel adapt different kind of cultivation system. It still using aura or qi to cultivate, but also completely different system with usual cultivation lore. There's no Qi Refining, Foundation Building, etc, instead it will be replaced with entire new stage.
I also keep updating this information as the story progressed. So be sure to back to check this chapter again, if you stumble on something new in this novel.
Exchange Rate:
Human World → Underworld
– 2 RMB = 1 Hell Coin
Underworld → Human World
– 1 Hell Coin = 2 RMB
Spirit Stones
– Low-Grade Spirit Stone = 100 Hell Coins
– Medium-Grade = 10,000 Hell Coins
– High-Grade = 1,000,000 Hell Coins
– Top-Grade (Legendary) = 100,000,000 Hell Coins
Cultivation Stage:
1) Red Crystal