Warhammer 40,000: Space Marine II reference for all weapons and upgrades. Master the arsenal and acquire potent upgrades for Lieutenant Titus.
Mastering the arsenal of the Adeptus Astartes is crucial for surviving the relentless hordes of Tyranids in Warhammer 40,000: Space Marine II. This section details every weapon available to Lieutenant Titus, along with their potent upgrades, and provides strategies for acquiring and utilizing them effectively.

Primary Weapons
Your primary weapons form the backbone of your combat effectiveness. Prioritize acquiring and upgrading these to suit your preferred combat style.
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Bolter: The iconic weapon of the Space Marines. Reliable, powerful, and versatile.
- Upgrades:
- Accelerated Bolt Feed: Increases rate of fire. Found in weapon caches throughout the early missions of the campaign, particularly during the defense of the Hive City outskirts.
- Ricochet Rounds: Bolts can bounce off surfaces, hitting multiple targets. Unlocked by completing specific combat challenges in the second act of the game, often involving multi-enemy engagements.
- Frag Grenade Launcher: Adds a secondary fire mode for area denial. This upgrade is a story unlock, typically acquired after a major narrative beat in the middle of the game.
- Strategy: Excellent for engaging groups of weaker enemies and effective at medium range. Utilize Frag Grenade Launcher for crowd control.
- Upgrades:
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Assault Bolter: A heavier, sustained fire variant of the Bolter.
- Upgrades:
- Extended Magazine: Significantly increases ammunition capacity. Found in supply drops during missions on more open, industrial environments.
- Incendiary Rounds: Rounds deal damage over time and can ignite enemies. Often a reward for completing side objectives in missions involving heavy Tyranid swarms.
- Targeting Augment: Improves accuracy and reduces recoil. Acquired through completing specific boss encounters or challenging combat arenas.
- Strategy: Ideal for suppressing large waves of enemies and dealing sustained damage to larger Tyranid bioforms.
- Upgrades:
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Stalker Bolter: A precision Bolter variant for long-range engagements.
- Upgrades:
- Marksman Scope: Enhances zoom capabilities and critical hit chance. Located in hidden weapon caches in sniper nests or elevated positions during missions.
- Armor-Piercing Rounds: Effective against heavily armored Tyranid units. Unlocked by successfully completing stealth-focused segments or eliminating high-value targets from a distance.
- Kinetic Impact Rounds: Rounds have increased stopping power, staggering larger enemies. A reward for achieving high accuracy scores in designated firing range challenges.
- Strategy: Use to eliminate threats from afar, prioritize priority targets, and thin out enemy ranks before they close in.
- Upgrades:
Melee Weapons
Close-quarters combat is inevitable. These weapons ensure you can cleave through your foes with brutal efficiency.
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Chainsword: A classic, brutal melee weapon.
- Upgrades:
- Reinforced Teeth: Increases damage output and bleed effect. Found in armories during early-to-mid game missions.
- Chainsword Grip Enhancer: Improves attack speed. Unlocked by performing a certain number of melee executions.
- Blood Frenzy: Grants a temporary damage boost after a successful kill. A reward for completing specific melee-focused combat encounters.
- Strategy: Excellent for dispatching individual enemies quickly and building momentum. Combine with the Bolter for a devastating close-quarters combo.
- Upgrades:
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Power Axe: Delivers devastating, single-target damage.
- Upgrades:
- Energized Edge: Adds energy damage, effective against shields and tougher hides. Found in specialized weapon lockers in later-game missions.
- Heavy Swing: Increases the damage of charged attacks. Unlocked by mastering the heavy attack combo.
- Sunder Armor: Reduces enemy armor with each hit. A reward for defeating specific elite Tyranid units in melee.
- Strategy: Use against larger, more resilient Tyranid creatures to break their defenses and inflict massive damage.
- Upgrades:
Heavy Weapons
When sheer firepower is required, these weapons will answer the call.
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Heavy Bolter: A stationary emplacement weapon providing overwhelming firepower.
- Upgrades:
- Cooling System: Reduces overheating, allowing for longer sustained fire. Often found near objective defense points.
- Explosive Rounds: Rounds deal splash damage. Unlocked by surviving prolonged defense sequences.
- Strategy: Deploy at strategic choke points to decimate entire waves of enemies.
- Upgrades:
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Melta Gun: Capable of melting through even the toughest armor.
- Upgrades:
- Overcharged Melta: Increases damage and range. Found in heavily guarded areas or as a reward for difficult optional objectives.
- Heat Sink: Reduces charge time. Unlocked by successfully destroying specific heavy Tyranid units.
- Strategy: Essential for taking down large, armored Tyranid threats like Carnifexes and Tyrants.
- Upgrades:
Grenades & Special Equipment
Support your primary and melee combat with tactical ordnance.
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Frag Grenades: Standard explosive ordnance.
- Upgrades:
- Cluster Grenades: Explodes into smaller shrapnel charges. Acquired through progression in the story.
- Impact Detonation: Grenades explode on impact, not after a timer. Found in supply crates during intense combat scenarios.
- Strategy: Effective for clearing out groups of tightly packed enemies.
- Upgrades:
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Krak Grenades: Anti-armor explosives.
- Upgrades:
- Thermite Charge: Deals persistent damage to armored targets. Unlocked by completing missions with a high number of heavy unit kills.
- Shaped Charge: Focuses blast for maximum armor penetration. Found in armories during missions featuring significant armored Tyranid assaults.
- Strategy: Crucial for damaging and destroying heavily armored Tyranid creatures.
- Upgrades:
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Assault Jump Pack: Allows for vertical and horizontal aerial maneuvers.
- Upgrades:
- Fuel Efficiency: Increases jump pack duration. Found in upgrade stations throughout the campaign.
- Shockwave Slam: Creates an area-of-effect blast upon landing. Unlocked by performing a certain number of aerial assaults.
- Strategy: Essential for repositioning, reaching elevated positions, and initiating powerful melee attacks from above.
- Upgrades:
Remember to experiment with different weapon and upgrade combinations to find what best suits your playstyle and the challenges presented by the Tyranid threat.
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