I'm changing them a bit but it will not affect the story much
EX-Rank (Monarch/Ruler level) (Low-Intermediate-High-Peak)
National-rank or N-Rank (Thomas Andre and others) (Low-Intermediate-High-Peak)
S-Rank (Low-Intermediate-High-Peak)
A-Rank (Low-Intermediate-High-Peak)
B-Rank (Low-Intermediate-High-Peak)
C-Rank (Low-Intermediate-High-Peak)
D-Rank (Low-Intermediate-High-Peak)
E-Rank (Low-Intermediate-High-Peak)
Swordsmanship levels correspond to hunter ranks