Bore is a skill in Borderlands 2. It is part of the Sniping Skill Tree belonging to Zer0 the Assassin.
Prerequisites
Spent a total of 10 or more skill points on lower tiered skills in the Sniping Tree.
Level Requirement
15
Description
Your shots pierce through enemies. If your shot hits an enemy after piercing an enemy, it causes massive bonus damage. Bore does not work with rockets and some special projectiles. Also, while Deception is active, your visor will highlight enemy crit locations.
Number of Ranks
One rank.
Effects
Each additional target hit takes +100% damage
Enemy crit spots highlighted while Deception is active.