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Item Upgrade in World of Warcraft Item Upgrade is a system that allows players to upgrade their armor, weapons and trinkets over the ones they obtain from Mists Of Pandaria or Warlords Of Draenor. It requires crests and currency, and can be done at any NPC. Items with high requirements (eth titans, for instance) usually gain value after upgrading. Items with lower requirements are given a slightly lower value because they can be rolled perfectly regardless of the upgrade. Reroll tokens Reroll tokens can