Try a hero name, an item, a problem like “healing”, or two heroes with “vs”.

Armor Piercer

Weapon T4 6,400 souls passive Documented

Previously called Armor Piercing Rounds. Guides using the old name are out of date.

When to buy Armor Piercer Armor Piercer 6,400 souls Tier 4WeaponPassive +60% Bullet Velocity +60% Proc Chance +8% Weapon Damage Builds from High-Velocity Rounds

Buy when enemies stack Bullet Resist or rely on bullet-evasion effects.

When to skip Armor Piercer

Wasted against an enemy team with no bullet-resist investment.

Gotchas

The mechanics people most often get wrong about this item.

  • Procced bullets bypass bullet evasion and damage barriers, and are not stopped by Plated Armor Plated Armor 6,400 souls Tier 4ArmorPassive +1s Cooldown +30% Deflection Percent +50% On-Hit Prevention Percent +130 Bonus Health
  • Cannot damage fully invincible enemies and cannot bypass Vyper's Petrify (Apr 2026)
  • When the proc bypasses resist, bullet-resist shred becomes additive rather than diminishing

Problems it answers

Heroes that make this worth a slot

Heroes whose kit creates the problems Armor Piercer answers. This is derived from kit properties, not from measured build results.