One Piece has given its audience some of the most iconic weapons in classic shnen. From Zoro's Enma and Wado Ichimonji to Kaido's Hassaikai, fans have seen how some weapons are legendary tools of destruction, craftsmanship, and legacy. To complement these weapons, Oda also introduced the concept of "Meito" (, or Famous Blades), which classifies swords into different grades based on their quality and renown, with Supreme Grade Blades standing at the pinnacle.