You make a Melee Weapon Attack with the Device. It deals 1d4 Arcanite damage on a Hit or Critical Hit. You use your Proficiency Bonus with a Shortsword for this attack.
You can use this ability in place of a melee weapon Strike granted by another ability.
You can spend 1 charge of Aether Flux as a Free Action when you use this ability to add +1 Bonus Die of damage to your Strike.