abstract:The Green Dragon Crescent Blade (青龍偃月刀, Mandarin: qīng lóng yǎn yuè dāo, Cantonese: ching¹ lung⁴ yim² yuet⁶ do¹) was a legendary weapon wielded by Guan Yu in the historical novel Romance of the Three Kingdoms. It is a guandao, a type of traditional Chinese weapon.