Ultimate reform stones cost ~5 mil and ~7mil for armor and weapon respectively. If you are grinding or getting a lot of pocket money, consider making them ultimate by doing item reform via the Black Spirit. This is for pre-awakening or Lv.56 below. I won't go too much in depth as I, myself don't have boss gears yet. This will be a guide on the class 'Dark Knight' for those who want to try and is unfamiliar to the class.