Kusanagi Secret Technique: Final Form

Reiko begins by calling forth fifty of the hundred spirits that are bound to the Amatsu sword, she does this by holding out the blade in front of her, which causes a white aura to emanate from the sword. Unlike the Remembrance of the Souls technique, she doesn’t use the spirits to attack this time around, but instead have them surround her body. They begin to lose their human shape, turning into a smoke like substance that surrounds the area. When the smoke produced by the spirits merges with Reiko’s chakra it manifests as a powerful aura. It surrounds Reiko’s body like an invisible field and acts as a great power source for her. Apparently the aura responds to Reiko's wishes and allows her to surpass her limits.

Due to the nature of the aura that surrounds her body, the effects can manifest themselves in many forms at once. For example if Reiko wishes to be faster, then the aura can strengthen her leg muscles, allowing her to move with incredible speed, the same goes for her other physical abilities such as, strength and durability. The power of the aura is so erratic that no one can guess exactly what effect it grants Reiko at the time. Reiko is able to use the aura as a shield to improve her defences.

Despite the incredible power granted by the aura, Reiko still suffers from the effects of the Amatsu-Mikaboshi if used for extended periods of time. When the time limit of the technique is reached, Reiko is force to re-seal the sword once again, in order to stabilize the sword so it may be used at a later time. Whenever using the final form, Reiko is unable to use any of the swords techniques, including summoning more spirits into battle. She can substitute for either regular sword techniques, due to her increased strength, or lightning elemental jutsu’s, which are also enhanced.