Blood-Curdling Emission is a passive feature that allows the weapon to scare its target. It deals extra damage and increases chance to hit against scared targets.
Description
On a hit, possibly inflict 
. Gain a +1d4 bonus to attack and damage against Frightened creatures.
Condition: Frightened
Duration: 2 turns
DC 12 
Wisdom saving throw
- Cannot move. Frightened entities also have
Disadvantage on 
Ability checks and 
Attack rolls.
How to learn
Granted by the weapons:
Notes
- This passive effect grants buffs to all wielder's weapons, not just the Bow of the Banshee itself. (testing in patch 6 seems this isn't like this anymore)