Uhh... I'll do an example
Weapons Specialist
Unique class
B Axes, Lances, and Swords
+10% STR, SKL, SPD +5% DEF, LCK -5% MAG
(No unpromo as this is a unique class)
Infantry
Mov: 6
Class line
Weapons Specialist -> Weapons Master (Bows, S rank in all weapons, +1 mov and better growths)