Negative rarity in Path of Exile 2 sounds wrong the first time you hear it. More rarity should mean better loot, right? Then you try it and you realise the joke's on the usual ARPG logic. If you're hunting crafting bases, not shiny drops, lowering rarity can actually make your runs feel more "on purpose". I started paying attention to it while pricing out upgrades like Fate of the Vaal HC...