Shimotsuki Ryuma, One Piece Wiki

Shimotsuki Ryuma was a legendary, world-famous samurai hailing from the Shimotsuki Family of Wano Country, who lived during Wano's "Country of Gold" era centuries ago. He was revered for his mastery of swordsmanship that earned him the title Sword God, as well as his feat of slaying a dragon. He is also the direct ancestor of Shimotsuki Ushimaru and Roronoa Zoro. 23 years before the current storyline, Ryuma's consecrated grave in Ringo was ransacked and his corpse and sword stolen by Gecko Moria

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