When enchanted, increases P. Atk. of A-Grade weapons such as sword/one-handed, blunt weapon/one-handed, dagger, spear, etc. by 4. Increases P. Atk. of sword/two-handed, blunt weapon/two-handed, dualsword, and fist-fighting weapon/two-handed by 5. Increases P. Atk. of bow weapons by 8. Increaes M. Atk. of all weapons by 3. From +4, doulbes P. Atk. and M. Atk. bonus for all weapon types. It can be safely enchanted up to +3.