The Banshee's Wail is a special attack available only to the Howling Banshee.
The Wail is triggered by holding the taunt key (t) down.
The Wail has a linear range of approximately 35 meters. It affects all enemies in a ~3 meter radius from the crosshair.
Cover does sometimes but not usually protect from the Wails effect, dodging does not prevent getting hit.
The duration is about 7 seconds.
(To be added: recharge rate)
Supresses enemies(need confirmation)
Visual noise and vision distortion
Decreases impact value of targets melee weapons(need confirmation)
Increases melee damage taken by the target significantly(unknown if damage mitigation or toughness debuff)