Increases DMG against weak spots by 24/30/36/42/48%.
In Game Description
This superior bow once belonged to a master archer. However, it gives off a strong scent, thus making it unsuitable for hunting.
How to Get Sharpshooters Oath?
Obtainable from gacha, pretty common item.
Weapon Upgrade Materials
Here’s all material used to upgrade Sharpshooters Oath: