Tsuka

is a weapon fashioned by the blacksmith Rikuō Akikage as a fulfillment of the weapons contract between the former and the village of Tokugakure. The weapon itself is utilized by Asami as a boon for her exceptional chakra control and massive reserves.

Appearance
The most unique thing about the sword is it's non-existence. The weapon itself is composed of a relatively simple hilt and scabbard that are nondescript in appearance. Both scabbard and hilt are silver in color, with a singular ornamentation in the form of a signature. That claims the weapon as Asami's own. The hilt itself possesses a Star of David on it's top, serving as a reminder of the sword's relatively abstract properties. Like a counterpart, the weapon appears to be useless to the naked eye, lacking the one thing that makes a sword useful; a blade. However, this merely hides the true capabilities of this weapon while allowing the opponent to make a fatal miscalculation about its abilities.

Abilities
The sword's lack of blade serves a purpose, one that only Asami could fulfill with her overarching chakra prowess. By activating the basic properties of chakra flow, Asami can fashion a blade of her own design from the hilt's base. When in the hands of a master of chakra control, the weapon can be manipulated with ease, the blade's size, shape, and sharpness being manipulated at a whim. The more experienced the user is, the stronger the blade becomes, as they "requip" the weapon in the mist of conflict, allowing them to retain a wonderful level of versatility. In particular, they can easily catch the opponent off guard with a change. Unsurprisingly, as the user changes the weapon's shape and type, the hilt adjusts accordingly, allowing the user to form lances, axes, naginata, and various sword types such as longswords, broadswords, katanas, dirks, and wakizashi. In this sense, the user is only limited by the extent of their imagination, coupled with the amount of chakra they possess and can properly control. Thus, some have referred to this weapon as for it's adaption capabilities.