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Helldivers 2 organizes armor into three weight classes - lightweight, midweight, and heavyweight - each impacting mobility and resilience differently. But the real game-changers are the hidden perks cooked into each chestpiece. These passive abilities can dramatically shape your battlefield effectiveness beyond simple stats.
With numerous passive options available, choosing the right one becomes crucial for mission success. Before suiting up for your next deployment, our comprehensive evaluation helps identify which passives truly stand out across different combat scenarios.
All Armor Passive Effects Explained
Currently, Helldivers 2 offers players 14 distinct armor passives that fundamentally alter combat approaches. These hidden bonuses enable specialized tactics ranging from enhanced survivability to improved tactical awareness.
Important Note: Only chest armor carries passive bonuses in Helldivers 2 - helmets and capes provide purely cosmetic benefits.
Below we've detailed every available passive effect to help optimize loadouts for specific missions and enemy threats:
Acclimated
- Provides moderate resistance (50%) against four damage types: acid, electricity, fire, and gas
Advanced Filtration
- Grants substantial protection (80%) specifically against gas-based attacks
Democracy Protects
- 50% chance to survive normally fatal attacks
- Prevents debilitating chest injuries
Electrical Conduit
- Nearly complete immunity (95%) to lightning arc hazards
Engineering Kit
- Carries +2 additional grenades
- Significantly improves weapon stability (30%) when crouched/prone
Extra Padding
- Boosts base armor rating (+50) for overall damage reduction
Fortified
- Halves explosive damage received (50%)
- Includes stability bonus (30%) when crouched/prone
Inflammable
- Strong fire resistance (75%)
Med-Kit
- +2 stim injector capacity
- Extends stim duration (+2 sec)
Peak Physique
- Doubles melee attack damage
- Reduces weapon movement sway
Scout
- Reduces enemy detection range (30%)
- Reveals nearby threats via radar scan
Servo-Assisted
- Increases throw distance (30%)
- Boosts limb durability (50%)
Siege-Ready
- Faster primary weapon reloads (30%)
- Larger magazine capacity (30%)
Unflinching
- Nearly eliminates recoil-induced camera shake
Best Helldivers 2 Armor Passives Ranked
Our tier analysis reflects the current meta (version 1.002.003), ranking passives based on versatility and combat effectiveness against all enemy factions.
S Tier - Must Haves
Engineering Kit
Grenade versatility is invaluable - sealing bug holes, disabling bot factories, breaching armor, or crowd control. The stability bonus further enhances combat effectiveness.
Med-Kit
Additional stims equate to more survival windows, especially when combined with Experimental Infusion. The extended duration creates powerful sustain opportunities.
Siege-Ready
Recent addition that revolutionizes sustained firepower. The dual benefits transform ammo-hungry weapons into veritable bullet hoses.
A Tier - Strong Options
Democracy Protects
Excellent early-game safeguard against instant kills, becoming situationally useful even in late-game scenarios.
Extra Padding
Reliable blanket defense improvement applicable against all damage sources.
Fortified
Bot-hunter's dream - mitigates explosive threats while improving weapon stability for precise counterfire.
Servo-Assisted
Terminid specialist - enhances tactical positioning via throws while reducing melee vulnerability.
B Tier - Situational Picks
Peak Physique
Niche application despite melee boost - ranged combat remains preferable in most scenarios.
Inflammable
Fire-based builds become viable, particularly effective against Terminids and certain planet hazards.
Scout
Intel-gathering passive held back by limited environmental awareness beyond enemy positions.
C Tier - Limited Utility
Acclimated
Damage resistance spread too thin across multiple elemental threats rarely encountered simultaneously.
Advanced Filtration
Hyper-specialized against gas attacks - rarely justifies selection over more general-purpose passives.
Electrical Conduit
Only relevant against Illuminate forces - still overshadowed by superior alternatives.
Unflinching
Minimal practical impact despite the impressive-sounding recoil reduction.