When enchanted. increases P. Atk. by 2 for D-grade one-handed sword. one-handed blunt. one-handed staff. dagger. spear. other weapons. two-handed swords. two-handed blunts. two-handed staffs. dual daggers. dualswords. and fist weapons. Increases P. Atk. by 4 for bow weapons. Increases M. Atk. by 2 for all weapons. P. Atk./M. Atk doubles starting at +4. Failure to enchant does not crystallize the item but resets its enchantment level to 0.
Cannot use on weapons above +30.