Hello.
I heard that there will be melee weapons in Cyberpunk 2077. I wanted to propose an idea to add a katana that only has an electric arc instead of a blade that will extend from the handle to the separated scabbard (hold the scabbard in your left hand and the handle on the right. There is no blade. At the moment of disconnection, the handle and scabbard do not bind anything. Let the scabbard will be a battery in a katana (power source. The charge travels through the air from the scabbard to the handle.) Such a weapon could easily cut through steel, like a knife through butter, like an electric arc.
But its charge is limited, for a certain number of hits and it would have to be recharged again - so the weapon will not make the game much easier.
And naturally, the exposure of such a sword should last only a second (open, cut the object, quickly return it to its scabbard), because energy is also spent on heating the air passing through it and the charge is quickly consumed. It would look very impressive. The analogue to this is the chainsaw from DOOM 2016. It is rarely used, but works flawlessly - a powerful weapon.
An analogue to this in the picture above, only instead of wires-contacts on the sides - the handle of the katana and its "sheath".
For a better explanation, I couldn't find a picture.
Such a wave of electricity is capable of making wide cuts, but stabbing blows with such a wave will not work (most likely). It's more like a whip that cuts through steel, but this whip has no end.
I also wanted to ask - where is the thread on this site, where can you offer solutions for weapons and design? There is already a thread for a design proposal for cars, but I have not yet found the same thread for weapons. Maybe there people will give their suggestions for the design of weapons.