Magic Cores/Aether Core (each circle is further divided into 9 stages)
1st Circle
2nd Circle
3rd Circle
4th Circle
5th Circle
6th Circle
etc.
Nether Body (Each is further divided into 9 stages)
1st Refinement
2nd Refinement
3rd Refinement
4th Refinement
5th Refinement
6th Refinement
etc.
Beast cores ranks (each with three smaller ranks: early, middle and late)
1st Rank
2nd Rank
3rd Rank
4th Rank
5th Rank
6th Rank
etc.
Elixir Grades
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th Grade
etc.
More will be added as the story progresses