One Piece's Zoro is a member of the Straw Hat Pirates and an incredibly powerful combatant who wields three swords in combat. Ever since a very young age, he trained at a dojo in Shimotsuki village where he learned the way of the sword under Koushiro, the dojo master. By the time his training ended in the village, Zoro has mastered the Three Sword Style and acquired Wado Ichimonji, a powerful O Wazamono grade sword, from Koushiro. With the Wado Ichimonji, he aimed to fulfill the promise of a lifetime to Kuina and become the greatest swordsman.
Zoro has become extremely skilled and advanced his skills enough to the point where he's even earned the praise of someone like Dracule Mihawk, the World's Strongest Swordsman. Over the course of the two-year timeskip, he has only gone from strength to strength and acquired even greater skills, boosted further by his ability to use Haki. While all that certainly makes Zoro a phenomenal swordsman already, it wasn't until the Wano Country arc of One Piece that he ended up taking the biggest step towards his dream of becoming the greatest swordsman in the world, and all that came through a newly acquired sword that once belonged the legendary Kozuki Oden – Enma.
One Piece: Who Are Kaido's Tobiroppo and All Stars?
Crafted by none other than the legendary swordsmith Shimotsuki Kozaburou, Enma is one of the 21 O Wazamono grade swords to exist in the world of One Piece. Kozaburou forged his sword when in Wano and to the day of his death, he remembered this blade as his greatest creation. According to Kozaburou, Enma is a sword whose disposition is deadly serious. Just holding this majestic blade in one's hand sent shivers down the spine, which just goes to show how powerful this sword truly
Read more on gamerant.com