@Override
 public boolean isEffectiveness(Fighter fighter) {
   if (fighter instanceof Human) {
     Human human = (Human) fighter;
     Weapon humanWeapon = human.getEquiped();
     if (humanWeapon != null && humanWeapon instanceof LightBook) {
       return true;
     }
   }
   return false;
 }
 @Override
 public boolean canEquip(Human human) {
   return human.getWeaponClass(WINDBOOK) >= weaponClass;
 }