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World of Warcraft - Item Upgrading Players can upgrade their armor, weapons, and trinkets by spending appropriate currencies and items at an upgrader NPC. The NPC requires the appropriate currency and items. For instance an example, a weapon tied to the default upgrade template for a weapon will gain 3percent in attack damage each time it is upgraded. However, the % value that it receives is a percentage to the stat value that is already in place. Recycled items Recycled products are a fantastic method to reduce waste. These items can be reused into new products