Why Sasuke’s Forgotten Sword Ability Was Too Powerful To Stay

There are many powers and abilities that are used only once in Naruto and are never mentioned again, but Sasuke’s sword has to be the strangest one.

Naruto Shippuden brought a lot of new abilities, characters and weapons to the world. Old characters have been introduced with whole new looks and skills. One of the characters that was reinvented was Sasuke Uchiwa. When Sasuke made his introduction in Shippuden, it was a memorable moment. He was much stronger than the last time Naruto had seen him and he carried a new sword called Kusanagi.

Sasuke’s Kusanagi was very different from the original Kusanagi wielded by Orochimaru. The version Orochimaru used could be mentally controlled and extend his blade a great distance. Sasuke’s wielded Kusanagi lacked all of the abilities that made Orochimaru’s sword unique. Besides being able to channel the lightning chakra through the blade, Sasuke’s Kusanagi seemed like an ordinary sword. However, he had a unique ability.


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The lost power of Kusanagi


The first time Sasuke uses his sword is against the new Kakashi team when they try to capture him. He tries to slice Sakura with his sword but Yamato intercepts the attack. When Yamato tries to block the attack with his kunai, Sasuke’s sword goes through the blade and stabs him. Sasuke then explains that his Kusanagi is impossible to block.

After this one interaction, this incredible ability attached to Sasuke’s sword is never mentioned again. Sasuke continues to fight many different opponents with his sword, which block and block all his strikes. There is no explanation given as to why they are able to block Kusanagi or why the sword ability no longer works. Kusanagi’s inability to be blocked is forgotten, and Sasuke carries a regular sword for the remainder of the series.


Was Kusanagi just too powerful?


Swordsman sasuke

While a canonical explanation as to why Sasuke’s sword lost its special ability is never given, the real reason could be as simple as this: It was too powerful. An unblockable sword would be far more powerful than almost any other weapon in the world of Naruto. The weapons carried by the Seven Swordsmen of the Mist would be pale in comparison to a sword against which one cannot defend oneself. Anyone unfamiliar with Sasuke’s weapon would be immediately at a disadvantage.

Obito possessed an ability similar to Sasuke’s sword. With his Sharingan, Obito could get through attacks and make sure that no one could touch him. He was only defeated by Kakashi, who had the same ability and speed, who could attack him before he could activate his power. Being able to gradually move through your opponent’s attacks and defense is an almost unbeatable ability. It’s possible that Kishimoto decided that Sasuke already had too many powerful skills and removed this one from his sword.


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Sasuke’s sword needed something more


Boruto's Seal of Karma

With Kusanagi no longer unblockable, Sasuke only had one regular sword for the rest of the series. Although Sasuke had shown impressive skills with the weapon, there was nothing more about it that made her special. He could channel his lightning chakra through the sword, but it was a skill that almost everyone possessed in Naruto. Kakashi, Asuma, Killer Bee and all the Iron Land samurai could channel their chakra through their weapons to increase their power.

Sasuke’s sword was a key part of his fighting style and an iconic part of the series. It deserved at least one special ability to set it apart from all the other base weapons in the series. When Sasuke loses the sword during the Fourth Shinobi War, there was no impact as the audience knew he could just pick up any other sword and be just as effective.


In fact, it does exactly that. In Boruto, Sasuke has a brand new sword that also lacks some unique powers. Through a flashforward, it is revealed that Sasuke’s sword is ultimately passed on to Boruto. This carrier transition would have a much bigger impact if the sword itself was special in some way. As it stands, this is just a normal sword that Sasuke uses and will be used by Boruto.

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