The leveling system xp is:

lv. * 6 + (lv.^2)/((lv.)/2)

Max level is 185, even for weapons.

Any person's stat system:

HP: x/180

Atk: x/180

Def: x/180

Rng. Atk: x/180

Rng. Def: x/180

Acc: x/180

Luck: x/180

Spd: x/180

Total: x/1440

Weapon stat system:

Dur.: x/180

Atk: x/180

Burst: x/190

Spd: x/180

EFY (Eric) stats (Max level):

HP: 174

Atk: 176

Def: 142

Rng. Atk: 180

Rng. Def: 123

Acc: 165

Luck: 120

Spd: 180

Total: 1260