gameserver\config\head altsettings.cfg
# MasteryPenality, to disable Heavy expertise.
# True: Players like dagger or archer can't use Heavy armor.
MasteryPenality= False
# MasteryPenality starting level.
# Default from 20
LevelToGetPenalty= 20
# MasteryWeaponPenality, to disable weapons expertise.
# True: Players that have not weapon mastery cannot use that weapon type.
MasteryWeaponPenality= False
# MasteryWeaponPenality starting level.
# Default from 20
LevelToGetWeaponPenalty= 20