
Last week Adam Jackson—the lead class designer for Diablo 4—tweeted out a list of the game's rarest items, and the internet has been acting very normal about it. Several of these items are references to gear from past Diablo games, such as the Harlequin Crest, and Jackson clarified that their drop rate is something of a grind within a grind.
Each of these super-rare collector's pieces has a chance to drop in the place of another Unique, so you need to get lucky to even roll the dice. Baal help you if you're aiming for a specific one.