There are 9 major realms or Ranks in the early stage of the novel.
Rank 1: Novice [G]
Rank 2: Apprentice [F]
Rank 3: Adept [E]
Rank 4: Veteran [D]
Rank 5: Elite [C]
Rank 6: Master [B]
Rank 7: Grandmaster [A]
Rank 8: Legend [S]
Rank 9: Mythic [SS]
Each Rank could be subdivided into three levels Low, Mid and High. The ranks could also be defined by alphabets, [G] through [SS], while the sign after it denoted its sub level. For example, a person with [B+] rank would be a High level Rank 6: Master.
There are also ranks above Rank 9.
Rank 10: Ascendant [SSS]
Rank 11: Transcendent
Rank 12: Celestial
Rank 13: ???
Rank 14: ???
Rank 15: ???
Rank 16: ???
Rank 17: ???
The affinities possible in this cosmos are:
Fire, Water, Nature, Wind, Earth, Lightning, Metal, Ice, Light, Dark, Space, Time, and Destiny.
The ranks of affinity are:
Low
Intermediate
High
Superior
Immortal
Supreme
God