The Arrow of Piercing is a Common Arrow found in Baldur's Gate 3.
Particularly handy when you're outnumbered, with your back against a wall.
Arrows are items that can provide an additional benefit of some sort when used. They can trigger more damage, push enemies back, or even heal your allies. Keep a few handy for those fights where the odds seem overwhelming, and you might be surprised at what you can achieve.
Where to Acquire the Arrow of Piercing
The item can be acquired from a Doppelganger named Woyy, who was found at Facemaker's Boutique located in Lower City at coordinates X: -164 Y:-45.
Arrow of Piercing Effects
Deals Weapon Damage and additional half of the weapon damage to creatures directly behind the target.