Iron Marines+ Hero Guide: How to Pick the Best Hero for Any Mission

To select the best hero in Iron Marines+, match your commander's kit to the mission objective and terrain: use frontline anchors to protect advancing infantry, long-range artillery to clear choke corridors, heavy tanks to absorb ground assaults, or burst specialists to neutralize priority targets.

Hero Comparison at a Glance

Hero	Primary Tactical Role	Best Unit Synergies	Major Combat Weakness
Taggins	Frontline Anchor / Squad Buffer	Snipers, Bouncers, Flak Troopers	Low burst mobility; vulnerable if surrounded
Kara	Long-Range Siege / Swarm Clearance	Guardians, Brawlers, Static Turrets	Poor close-range survivability; slow retreat
Ajax	Heavy Brawler / Chokepoint Tank	Snipers, Missileers, Ranged Walkers	Zero anti-air reach; easily kited in open fields
Fate	Stealth Assassin / Single-Target Burst	Frontline Walkers, Defensive Bunkers	Fragile health pool; inefficient against massed swarms
Paragon	Energy Blaster / Fast-Response Flex	Infantry Fireteams, Shock Troops	High micro requirement; vulnerable during cooldowns

Frontline Anchoring: Taggins

Taggins serves as a dependable general-purpose commander who reinforces standard infantry pushes. Unshielded infantry squads take severe losses against concentrated alien swarms, making Taggins essential for holding forward ground until base structures or reinforcements arrive.

Protective Shielding: His temporary energy shield creates a barrier that absorbs enemy projectile damage, allowing backline snipers and riflemen to fire without suffering rapid attrition.
Burst Utility: Auxiliary ordnance and combat stimulants provide rapid damage spikes to eliminate priority threats, such as acid-spitting flyers or heavily armored alien brutes.
Positioning Rule: Station Taggins slightly ahead of your primary firing line. Avoid pushing him solo into the fog of war; his lack of escape mobility and wide area-of-effect damage leaves him vulnerable if swarmed from multiple angles.

Long-Range Siege and Swarm Denial: Kara

Kara sacrifices movement speed and melee durability to deliver high-impact area-of-effect damage across wide firing lanes. She is best suited for countering dense alien waves that easily overwhelm direct-fire units.

Artillery Bombardment: Long-range missile strikes strip armor and thin clustered swarms before they reach defensive perimeters.
Structural Demolition: Secondary salvos and explosive munitions deal high damage against stationary targets, such as alien hives, egg clusters, and nests.
Positioning Rule: Keep Kara on high ground or secured rear lines behind sturdy melee walkers or brawlers. Her slow movement and lengthy reload animations make her easy prey for fast burrowing units if left unprotected.

Melee Lockdown and Chokepoint Brawling: Ajax

Ajax provides maximum durability and physical crowd control, excelling in narrow subterranean tunnels, tight canyon passes, and escort missions that require physical body-blocking.

Disruption and Stuns: Kinetic ground slams interrupt enemy attack animations and disorient charging packs, giving towers and snipers time to focus down dangerous targets.
Damage Absorption: High base health and defensive passives allow Ajax to absorb heavy sustained punishment without folding.
Positioning Rule: Station Ajax directly in front of narrow bottlenecks to halt enemy waves. Because Ajax has zero anti-air capability and limited range, always support him with anti-air turrets, snipers, or missile troopers to handle flying bio-constructs.

High-Threat Elimination: Fate and Paragon

When missions feature dangerous caster aliens, elite bosses, or multiple split lanes, specialized damage dealers provide advantages that raw brawlers cannot match.

Fate

Fate focuses on long-range elimination and ambush tactics:

Deploy explosive traps along enemy patrol paths to soften incoming assault waves.
Use her sniper rifle from stealth to pick off backline support beasts and high-tier aliens before they cast abilities.
Keep Fate away from open swarms, as her low health pool makes her vulnerable if cornered.

Paragon

Paragon acts as a mobile energy caster designed to react to sudden lane breaches:

Use plasma salvos and projectile barrages to melt armored targets across sprawling maps.
Activate shield mechanics and repositioning tools to shore up crumbling defense points quickly.
Monitor ability cooldowns closely; Paragon requires constant micromanagement and takes heavy damage if caught without active skills.

Selecting Heroes by Mission Type

Before starting a mission, tailor your hero choice to the primary objective:

Stationary Extraction and Base Defense: Choose Kara or Ajax. Kara's artillery shuts down predictable approach lanes, while Ajax provides an unbreakable melee block at the main choke.
Aggressive Hive Clearing and Pushes: Choose Taggins or Paragon. Taggins keeps advancing troops alive under defensive fire, while Paragon provides the burst mobility needed to counter hive broods across wide fronts.
Boss Encounters and VIP Targets: Choose Fate for safe, targeted single-target burst, or deploy Ajax to absorb telegraphed boss attacks while your army attacks exposed weak points.