No known way to get this in the game yet.
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VendorShopPriceRequirementsLimit
Fortune Pouch ShopAll 250 Lunar New Year Fortune Pouch (Event) Character Lv. 10 or above 1 (Per Character)
Fortune Pouch Key ShopAll 250 Lunar New Year Fortune Pouch (Event) Character Lv. 10 or above 1 (Per Character)