World of Warcraft Item Upgrade The item upgrade was first introduced in Generation II. This item upgrade allows Porygon2 to evolve in exc...
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How to Upgrade Items in Pokemon GO Upgrade is among the most prized items in Pokemon GO. It allows trainers to evolve Porygon into Porygo...
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World of Warcraft Item Upgrade and Set Bonuses The upgrade for an item is an enchantment that boosts the base stats of specific armor or ...
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