All people start as Level 0 or "lvl0" for short.
All levels ups shall have a certain exp and bonuses for your stats.
"*" means the stat your class specializes in.
Lvl 1: exp 25
+1 *
+5 HP

Lvl 2: exp 50
+1 *
+1 Def
+1 mag
+5 HP

Lvl 3: exp 75
+2 *
+1 Str
+1 Def
+5 MP

Lvl 4: exp 100
+2 *
+2 Ap
+5 HP
+2 mag

Lvl 5: exp 125
+3 *
+2 Str
+2 Def
+5 MP
+2 Mag

Lvl 6: exp 175
+3 *
+2 Def
+2 Ap

Lvl 7: exp 225
+3 *
+2 Str
+2 Mag

Lvl 8: exp 300
+3 *
+2 Ap
+5 HP

Lvl 9: exp 375
+3 *
+2 Str
+2 Def
+2 Ap

Lvl 10: exp 450
+4 *
+3 Mag
+5 MP
+5 HP