Experienced hex editors can change the "Quality" ID of an item.
When Blizzard released Diablo II: Resurrected in 2021, they built the modernized graphics engine directly on top of the classic LoD logic loop. Because of this architectural decision, How to Import Classic Saves into D2R: Locate your old classic LoD .d2s file. diablo 2 lod character save files
These are not save editors in the traditional sense; they are stash management tools that work directly with .d2s files. Experienced hex editors can change the "Quality" ID
Renowned single-player communities have compiled comprehensive item libraries (often stored as .d2s character inventories packed to the brim with unique items). Players use these to safely trade items offline or test theoretical end-game gear setups. diablo 2 lod character save files