Diablo 2 red and white jewelry to nightmare or hell level brush. In Diablo II, the fall of red and white jewelry is controlled by the hierarchy. As long as the monster's quality level is higher than the item's quality level, it can fall. Therefore, if you want the perfect sapphire, you can go to the nightmare or hell level, especially the hell level. In hell, monsters only pick up flawless gems, and as long as three flawless gems can be synthesized into a perfect one.