This weapon is a technologically-advanced one-handed sword with an edge that is merely one molecule thick, and which vibrates at ultrasonic frequencies to make cutting through things that much easier.
I took the handle of the Shoulder Mounted Machine Gun from the Lonesome Road DLC and added one of the tines from the Tesla Cannon. I removed the faces from one edge of the tine to thin it out into a blade.
The following properties, perks and challenges apply to this weapon:
This weapon must be purchased from Dr. Quarton, and cannot otherwise be obtained without console commands.