https://scientific-programs.sc....ience/wiki/The_12_Mo
World of Warcraft - Item Upgrading Players can upgrade their weapons, armor and trinkets. Most upgrades boost numeric stats whereas others can have special effects. The upgrade of items is essential to the Path of Exile progression. They boost the damage of ships and gear as well as combat effectiveness. Generally, items that don't change in requirements after upgrading (like Eth Titans) will receive a slightly less trade value than the unupgraded versions. Recycle