In the game "World of Warcraft Nostalgic Clothing", there are 7 NPCs teaching jewelry processing, including 2 in Silvermoon City, 2 in Hellfire Peninsula, 3 in Shatas City, 3 in netherstorm and 3 in Esoda. Among them, Jadalaide in netherstorm is a neutral astral consortium camp, where both players can learn the highest mastery of jewelry processing.