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Item Upgrade in World of Warcraft Item upgrade is a feature that lets players increase the level of their armor, weapons and trinkets over what they can acquire from specific Mists of Pandaria and Warlords of Draenor sources. It requires crests and currency and is available at any NPC who upgrades items. Items with high requirements typically have higher value after upgrading (eth titans for instance) While items with low requirements usually have less value as t