https://imoodle.win/wiki/Item_....Upgrader_Tips_From_T
Path of Exile Item Upgrading Players can upgrade their weapons and equipment using new accessories. They can also improve the base stats of the item or provide additional benefits. To upgrade an item, a player has to have it in their inventory, as well as access to the kiln. Items that have weak bases, such as rings, can be upgraded into a stronger base. Items with bases that are strong, such as Titans from eth, have no change in their stats. Upgrade components Upgrade components can be added to armors, weapons,