Strength levels in this world are a classification of martial strength, not cultivation levels… Specifically, cultivation in this world does not give strength
All cultivation does is increasing a person's amount of energy
As for the division of combat power, it depends on the level of power that a person can use, , What is meant here is the constant force that can be used always and in most cases , whether with a sword, magic or anything else... It is currently divided into
1 - trainee
2 - fighter
3 - a great fighter
4 - expert
5 - a great expert
6 - General
7 - King
8 - Nirvana
9 - Emperor
10 - saint
11 - Venerable
12 - wise ( sage )
12 - predecessor ( ancestor )
13 - Immortal ~