Penetrating Arrow Quiver Requires Level 3610% chance of Arrows Piercing(8 to 12)% increased Attack Speed
+350 to Evasion Rating
+(40 to 50) to maximum Life
Adds (10–19 to 14–24) Physical Damage to attacks with Bows
Projectile Damage increased by Arrow Pierce Chance"Why waste such a fine arrow on just one man?"
- Kiravi, Vaal Archer
Drillneck grants increased projectile damage equal to the character's total chance for arrows to pierce. This includes arrow pierce chance modifiers from Drillneck itself and the Piercing Shots notable passive, as well as generic, projectile pierce chance mods found on the support gem. This does not include the additional chance for enemies cursed with to be pierced. Chance to pierce cannot exceed 100%, therefore the maximum increased projectile damage obtainable from Drillneck is 100%.
- Mark_GGG (May 6, 2014). "Drillneck mechanics questions". Official Path of Exile Forums. Retrieved June 21, 2014.