Arrow Storm Tuning Device 311044 / Gear_WH2

Increases Arrow Storm damage by 5%.
Reduces skill cooldown of Arrow Storm by 1.2 second.
[Grade Bonus]
[Grade D] Arrow Storm damage increases by additional 7%.
[Grade C] Increase physical damage against all size enemies by 10%.
[Grade B] Arrow Storm damage increases by additional 8%.
[Grade A] Arrow Storm damage increases by additional 10%.