((I see the resemblence, but it's not actually a sword, since the drone's engines aren't constantly on, because it's meant to be more of a thrown weapon with the drone as a way to ensure the wire gets taut.
The way I imagine it, the user swings the thing around in circles when targets are in short or melee range. The monowhip gets wound around a bodypart, the user activates sticky mode and then pulls the whip thereby cutting that bodypart (if the drone has stuck on the cut bodypart the user can then retrieve it
and beat its owner to death with it). In medium range the user throws the drone towards the enemy
like this and then activates one of the functions as necessary in order to cut the enemy (maybe he gives it a small boost with the joystick to reach further, maybe he throws it over the enemy, activates the return to user function while bringing the monowhip down to the ground, thereby cutting the enemy in half). Then there's the trap and sticky modes, perfect to cover your retreat if you can spare the tokens, ambush a small number of enemies or act as area denial by cutting off a chokepoint. Then there's the team use, where two highly mobile or heavily armored teammates each stick an end of the monowhip on them and charge towards the enemy guns blazing (or even better stealthily and completely unnoticed), cutting anything between them. And depending on how much money you're willing to spend, you can also modify it to act as a grappling hook by enhancing the generator and motor or make it a building destroyer by making the monofilament even longer. Or if monofilaments aren't enough for you you can add kinetic amps on the drone and make it into a monowhip/rocket powered flail hybrid.
The main reason I designed this is to make a reusable unconventional short/medium ranged weapon, something that is a bit weaker than a manipulator but still powerful enough to take down something huge or shielded against manipulators and amps (giving us an option besides nuking it or manipulator nuking it), reusable and most importantly able to be used even if the physimancer has exhausted his brain with previous actions. It can also be used as an auxiliary weapon by remote controlling the drone with the joystick instead of throwing it and using the simple commands available, although the engines will run out very quickly with constant use. And finally, an imaginative user can find even more uses for it.
Assuming it works.))