Armor Piercing Rounds

DefaultEnhanced

Armor Piercing Rounds
Cost		6,400
Tier		4
+60% Bullet Velocity
+8% Weapon Damage
Passive
Your Bullets have a chance to become unavoidable, piercing through enemies and ignoring their Bullet Resistance.
55% Proc Chance
Upgrades From: High-Velocity Rounds
Internal name: upgrade_aprounds

Armor Piercing Rounds
Cost		6,400
Tier		4
Enhanced
+115% Bullet Velocity
+38% Weapon Damage
Passive
Your Bullets have a chance to become unavoidable, piercing through enemies and ignoring their Bullet Resistance.
75% Proc Chance
Upgrades From: High-Velocity Rounds
Internal name: upgrade_aprounds

Armor Piercing Rounds is a Tier 4 Weapon Item that can be purchased from the Shop for  6,400. Its component, High-Velocity Rounds, makes up  800 of the cost.

Notes

• Armor Piercing Rounds does not damage enemies in Invincible state.

Notable Interactions

• Armor Piercing Rounds can bypass the damage resistance of Vyper's Petrifying Bola.
• Armor Piercing Rounds can allow the player's bullets to go through Kelvin's Frozen Shelter and McGinnis' Spectral Wall.

Update history

View the full update history: Armor Piercing Rounds/Update history

Update	Changes
April 30, 2026	No longer deals damage through Petrify.
April 10, 2026	Chance increased from 50% to 55%.
December 16, 2025	When Armor Piercing Rounds Proc's, Plated Armor can no longer stop the Proc'd Bullet.

Items

Weapon

 800

Close Quarters • Extended Magazine • Headshot Booster • High-Velocity Rounds • Monster Rounds • Rapid Rounds • Restorative Shot

 1600

Active Reload • Fleetfoot • Intensifying Magazine • Kinetic Dash • Long Range • Melee Charge • Mystic Shot • Opening Rounds • Recharging Rush • Slowing Bullets • Spirit Shredder Bullets • Split Shot • Stalker • Swift Striker • Titanic Magazine • Weakening Headshot

 3200

Alchemical Fire • Ballistic Enchantment • Berserker • Blood Tribute • Burst Fire • Cultist Sacrifice • Escalating Resilience • Express Shot • Headhunter • Heroic Aura • Hollow Point • Hunter's Aura • Point Blank • Shadow Weave • Sharpshooter • Spirit Rend • Tesla Bullets • Toxic Bullets • Weighted Shots

 6400

Armor Piercing Rounds • Capacitor • Crippling Headshot • Crushing Fists • Frenzy • Glass Cannon • Lucky Shot • Ricochet • Silencer • Spellslinger • Spiritual Overflow

Legendary

Haunting Shot • Infinite Rounds • Runed Gauntlets

Vitality

 800

Extra Health • Extra Regen • Extra Stamina • Grit • Healing Rite • Melee Lifesteal • Rebuttal • Sprint Boots

 1600

Battle Vest • Bullet Lifesteal • Debuff Reducer • Enchanter's Emblem • Enduring Speed • Guardian Ward • Healbane • Healing Booster • Reactive Barrier • Restorative Locket • Return Fire • Spirit Lifesteal • Spirit Shielding • Trophy Collector • Weapon Shielding

 3200

Bullet Resilience • Counterspell • Dispel Magic • Fortitude • Fury Trance • Healing Nova • Lifestrike • Majestic Leap • Metal Skin • Rescue Beam • Spirit Resilience • Stamina Mastery • Veil Walker • Warp Stone

 6400

Cheat Death • Colossus • Divine Barrier • Diviner's Kevlar • Healing Tempo • Indomitable • Infuser • Inhibitor • Juggernaut • Leech • Phantom Strike • Plated Armor • Siphon Bullets • Spellbreaker • Unstoppable • Vampiric Burst • Witchmail

Legendary

Celestial Blessing • Cloak of Opportunity • Electric Slippers • Eternal Gift • Nullification Burst • Seraphim Wings • Shadow Strike

Spirit

 800

Extra Charge • Extra Spirit • Golden Goose Egg • Mystic Burst • Mystic Expansion • Mystic Regeneration • Rusted Barrel • Spirit Strike

 1600

Arcane Surge • Bullet Resist Shredder • Cold Front • Compress Cooldown • Duration Extender • Improved Spirit • Mystic Slow • Mystic Vulnerability • Quicksilver Reload • Slowing Hex • Spirit Sap • Suppressor

 3200

Decay • Disarming Hex • Greater Expansion • Knockdown • Radiant Regeneration • Rapid Recharge • Silence Wave • Spirit Snatch • Superior Cooldown • Superior Duration • Surge of Power • Tankbuster • Torment Pulse

 6400

Arctic Blast • Boundless Spirit • Cursed Relic • Echo Shard • Escalating Exposure • Ethereal Shift • Focus Lens • Lightning Scroll • Magic Carpet • Mercurial Magnum • Mystic Reverb • Refresher • Scourge • Spirit Burn • Transcendent Cooldown • Vortex Web

Legendary

Frostbite Charm • Mystic Conduit • Mystical Piano • Omnicharge Signet • Prism Blast • Shrink Ray • Unstable Concoction