Who doesn’t know it? You can buy many things in World of Warcraft, but you have to pay for it in game. Therefore you need WoW gold. WoW gold is the common currency for World of Warcraft on every Realm. With it you pay at the auction house, for weapons, armour and food.
It will not work without WoW Gold, because nobody can live in World of Warcraft completely without bought goods like armours, potions, weapons or enchantments. You need WoW Gold to pay other players or support your guild. Buy WoW Gold and get lucky.
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