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What is an Item Upgrader? Item upgrader lets players improve the quality of their equipment. Upgrades to items require the right currency and items. This includes Valorstones, crests and armor for armor and weapons. Other upgrades, such as Hot Potato Books, give weapons a stat boost or allow them to be used in Dungeons. These upgrades are generally available in the cash shop. Leveling An upgrader for items allows players to enhance the level of equipment from various sources. It costs Valor