Corrupted Items Path of Exile 2 game term
Certain items can be found Corrupted or made Corrupted using a Vaal Orb, changing their properties unpredictably.
Most methods of item crafting and modification cannot be used on Corrupted items. There is no penalty for using Corrupted items.
The game's own definition, as shown when you hover the term in game.
Game data: Path of Exile 2 client · How we source this
Certain items can be found Corrupted or made Corrupted using a Vaal Orb, changing their properties unpredictably. Most methods of item crafting and modification cannot be used on Corrupted items. There is no penalty for using Corrupted items.