The Unquiet Dagger

You gain a +1 bonus to attack and damage rolls with this magic weapon. In addition, when you hit with an attack using this dagger, the target takes an extra 2d6 psychic damage. Action(1/LR): cause the blade to ripple for 1 minute. While the blade is rippling, each creature that takes psychic damage from the dagger must succeed on a DC 15 Charisma saving throw or become frightened of you for 1 minute. A frightened creature
can repeat the saving throw at the end of each of its turns, ending the effect on