Sword of Kusanagi (Sasuke Uchiha)

The chokutō Sasuke Uchiha refers to as a Sword of Kusanagi. It has a black scabbard and matching hilt (these are both blue in the anime), and is a larger size than a normal chokutō. Despite this, it has none of the natural specialities as the one Orochimaru wields, such as the extension of the blade and the ability to cut through almost anything, both of which are natural attributes of the Kusanagi, but it's been repeatedly shown to be very durable and able to cut through various materials.

To compensate for this, Sasuke can channel his lightning chakra into the blade with chakra flow, which will increase its sharpness greatly through high frequency vibrations, as well as increasing its cutting range. This would allow Sasuke to cut through almost anything, as well as numb the target who has been pierced by this lightning blade. During the Fourth Shinobi World War, a reincarnated Itachi Uchiha, while cooperating with his brother, temporarily wielded the blade to engage Kabuto Yakushi. Sasuke was eventually fatally stabbed in the heart with this blade by Madara Uchiha.

During the battle with Kaguya Ōtsutsuki in her dimension the blade's scabbard was dropped in lava and destroyed. Sometime after the war ended, Sasuke replaced the sword with a similar one.

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Sasukes Kusanagi