One Piece: Why Does Enma Keep Draining Zoro’s Haki Against His Will?

One Piece: Why Does Enma Keep Draining Zoro's Haki Against His Will?

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Roronoa Zoro is undoubtedly one of the best-known One Piece characters. Like Luffy, Zoro wants to be the best in his own category, i.e., he wants to become the best swordsman in the world, surpassing his idol and rival, Dracule Mihawk, who is said to be the best swordsman in the world. But, the swordsmen of One Piece are not the only interesting aspect – the swords are as well. In Wano Country, among all of Zoro’s blades, we also have Enma, a very peculiar sword that Zoro used in his fight against King. But, during the fight, Zoro remarked how Enma was draining his Haki against his will, and in this article, we are going to explain why that happens.

Enma drained Zoro’s Haki because he was unable to control the sword. Enma, like a lot of swords in the lore, has a “will” of its own. Enma is a very powerful sword that has a unique ability: due to its power, it freely drains the Armament Haki of its user against their will, which is why only the most powerful and skilled swordsmen can use it. Enma did the same to Zoro for a while until the swordsman was able to control it.

The rest of this article will focus exclusively on Enma, Zoro’s third sword in his current collection, and its specific abilities. We will tell you about Enma, the sword’s history, and how it influenced Zoro’s fights in Wano Country. You’re also going to find out what Enma can do and why this sword, in particular, is so special and so important within the lore of One Piece.

Enma has some unique abilities but is very powerful

Enma is known as one of the best blades in the world and the creator of renowned swordsmith Shimotsuki Kozaburo. It is one of the 21 O Wazamono, and Kozuki Hiyori believes it can compete with the legendary Shuusui. Enma, like Ame no Habakiri, was said by Tenguyama Hitetsu to be able to “slice into the depths of the underworld” (along with the ability to “slice the sky itself”).


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When Enma was perfected, it had a powerful cutting edge. In Oden’s hands, Enma and Ame no Habakiri became the only known weapons that have ever sliced Kaido, leaving him with a significant scar. When Oden was 18 years old, he utilized Enma and Ame no Habakiri to sever the gigantic mountain deity neatly and harden him using Armament Haki. Oden could also combat Whitebeard’s Murakumogiri, Saijo Wazamono grade naginata, using both swords.

Zoro Cuts Coastline

Enma is specific for its unique ability. Namely, the sword is so powerful that it can willingly absorb and take enormous amounts of “Ryuo” (which is the name used to designate Armament Haki in Wano Country) from its user, cutting much more forcefully than intended; this is done without the wielder’s will. Due to his great awkwardness, Oden was the only person to have ever tamed Enma before she was handed to Zoro. While attempting to cut down just one tree after Zoro had tested the saber for the first time, he unintentionally severed a substantial portion of the cliff, causing Enma to emaciate his entire arm in addition to forcibly hardening it.

Hitetsu continued by observing that a typical swordsman attempting to utilize Enma would be completely depleted of all his Haki, turning it into a dry husk. However, as Zoro shows, with enough Haki mastery, one may compel the Haki drawn by Enma to flow back from the blade into the user’s body. Hitetsu claims that Enma might level up if Zoro successfully makes her a permanent Dark Blade.

Only two people have managed to tame Enma

The exact reason why Enma is able to draw out so much Armament Haki was never revealed, but it probably has something to do with how the blade was forged and the general nature of swords in One Piece. Although they are weapons, the swords are also entities with their own “personalities,” which is why not everyone can use just any sword in the same manner and why certain characters can wield one sword better than another one, despite their swordsmanship skills being the same.

This is also why those who have been using one sword for a long time are extremely efficient with it, as they have grown to know their blades, as well as the nature of their blades.

As far as Enma is concerned, only two people have been able to master it. Naturally, the first one was Kozuki Oden, known as one of the series’ best swordsmen. Oden had amazing mastery of his Armament Haki and was, thus, able to control Enma’s will. His prowess was such that he was able to freely use and control Enma, even in his duel against Kaidou, being able to use Enma to injure Kaido, thus making Enma one of the two blades that were able to injure the powerful pirate captain. This proved that in the right hands, Enma was a truly masterful weapon.

When Zoro received Enma, he had some trouble controlling it. This is why he cut part of a cliff and almost had his whole arm hardened, as Enma simply drew out too much Haki out of him; this was also evident during his fight against King, as Enma kept drawing out so much Haki that Zoro scolded it and demanded she stopped. Zoro was a skilled swordsman, but it took him a while before he managed to control this powerful blade. This tells us two things.


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First of all, Enma is truly powerful, as in Wano Country, Zoro is one of the most skilled and experienced swordsmen in the series, yet he had initial trouble controlling the sword. Secondly, Zoro has indeed grown a lot as he was, despite all the issues, able to get a hold on Enma and put it under his control, using it to defeat King and later to fight Kaido, who remembered the blade once he sensed its presence.

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