The formula of seasonal jewelry is seasonal crystal. In Guild Wars 2, seasonal jewelry is a scarce treasure, which needs to be transformed from seasonal crystals, 25 seasonal crystals into one seasonal crystal, and the seasonal crystals are further transformed into seasonal jewelry. Guild Wars 2 is a role-playing computer client game developed by ArenaNet and operated by Kong Zhong. It was officially launched in Chinese mainland on May 65438, 2004.