------------------| Ranks |------------------
G- / G / G+
F- / F / F+ High-Human
E- / E / E+ Trainee
D- / D / D+ Soldier
C- / C / C+ Commander
B- / B / B+
A- / A / A+
S- / S / S+
SS-/ SS / SS+
SSS-/ SSS / SSS+
EX???
------------------| Skill Masteries |------------------
★ => ★★ => ★★★ => ★★★★ => ★★★★★
☆ => ☆☆ => ☆☆☆ => ☆☆☆☆ => ☆☆☆☆☆
------------------| Skill Tiers |------------------
Basic => Intermediate => Advanced => Peak => ???
A/N: When a Skill reaches ★★★★★ and 100% in Mastery, it will ascend to the next Tier.
Example:
Basic Swordsmanship ★★★★★ -(Progress: 100%)- => Intermediate Swordsmanship ☆ -(Progress: 0%)-