Zahkrii

"It's the Echani weapon of choice. Too lightweight for a real warrior, but very sleek. Just don't touch the blade's edge, you'll lose a finger."

- Unidentified warrior

The Zahkrii, colloquially known as the Echani vibrosword and the monomolecular blade, were swords of Echani design, famous throughout the galaxy and galactic history alike. The sum of Echani innovation and design, the Zahkrii was the first known weapon created in mass production capable of direct contact with the.

Originally created at some point prior to the, the Zahkrii was the first vibroweapon ever created, paving the way for many more, including other s outside of Echani design. Crafted from Eshan's naturally occurring, the Echani revolutionized melee weaponry through their creation of (ultrasonic vibration generators), which were fitted into the weapon's hilt. Causing the blade to vibrate at an incredible speed, the cutting power of the Zahkrii increased tremendously, making even the slightest glancing blow become a gaping wound. Unlike later designs, the original Echani vibroswords did not conduct electrical energy, thus did not carry the risk of electrocuting the user or short-circuiting the UVG.

The most famous aspect of the Zahkrii was that it was the first product of one of the greatest legacies of the Echani; the metallurgic technique of, which enabled the Zahkrii to be used against lightsaber blades. Although other vibroweapons spread across the galaxy with a vast variety of manufacturers, the Zahkrii was set apart in that it was the only variant of vibrosword that utilized Echani glass, which gave the Echani swords molecule-thin edges to their blades and enabled them to carve through virtually any substance, with sufficient applied force.

The Zahkrii remained the primary weapon of choice for the Echani throughout their history, even extending into the Preliator Wars and Extant War. The assassins of the Brotherhood of Sicarius were also known to have favored the Zahkrii.