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Item Upgrade in World of Warcraft Item upgrade is a system that allows players to raise the level of their armor, weapons and trinkets beyond what they can acquire from specific Mists of Pandaria and Warlords of Draenor sources. It requires crests and currency and can be done at any NPC who upgrades items. Items with high requirements generally get more value after upgrading (eth titans for example) While items with low requirements usually have less value as they can be rolled perfect reg