Levels of cultivation:
body refining - 1 - 10
100 years of life
qi refining - 1 - 10
300 years of life
foundation establishment - 1 - 10
900 years of life
birth of soul core (color of core depends on the cultivator) - 1 - 10
1800 years of life
nascent soul - 1 - 10
3500 years of life
soul enlightenment - 1 - 10
8000 years of life
uniting the road - 1 - 5
40000 years of life
transformation of essence - 1 - 5
150000 years of life
false immortal - 1 - 5
as long a cultivator have spitual energy that long he can live
immortal source - 1 - 5
cultivator has self-extending lifespan
immortal solider - 1 - 5
Immortal general - 1 - 5
immortal lord - 1 - 5
true immortal
immortal beyond the time and space
1-10: early stage 1-3, medium stage 4-6, late stage 7-9, perfect stage 10
1-5: early stage, medium stage, late stage, perfect stage
There are chances to reach a higher stage in a given level, such as stage 14 in qi refining but you don't have to reach this level to go to the next level. It only increases the cultivator's foundation and can give chance to strength essence of cultivator and improvement to cultivator qualifications.