F - Class(Mundane) :- F- , F, F+
E - Class(Normal) :- E- , E, E+
D - Class(Trained) :- D-, D, D+
C - Class(Skilled) :- C-, C, C+
B - Class(Mastery) :- B-, B, B+
A - Class(Legendary) :- A-, A, A+
S - Class(Mythic) :- S-, S, S+
SS - Class(Ascendant) :- SS-, SS, SS+
SSS - Class(Cosmic) :- SSS-, SSS, SSS+