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Borderlands 3 Moze skill tree: how to kit out your mech for maximum destruction

Iron Bear is certainly not for cuddling. Here are the skills you should equip to complement your battlesuit

Moze’s skill trees in Borderlands 3 are the ones to go for if you’re looking to unleash the most explosive chaos you can in the shortest possible time. The Gunner can call upon her giant mech – think D.Va’s robot from Overwatch, or Anthem’s Colossus – to obliterate any poor sod or diabolical streamer that stumbles in its path.

Your first Borderlands 3 Moze skill tree is Demolition Woman. This comes with the semi-automatic V-35 Grenade Launcher hooked up to Iron Bear, but its explosive projectiles are unaffected by grenade mods. Then we have Bottomless Mags with the Minigun as your headline skill, and Shield of Retribution, which boasts the high-velocity Railgun.

That said, Moze’s skill trees in Borderlands 3 are great for commitment-phobes: you’re able to mix and match this gunner’s abilities by equipping one of the aforementioned Borderlands 3 weapons to each mechanical arm. You can combine the precision and power of the Railgun with the relatively-high magazine size of the Minigun, for instance. Below are each of the skill paths in full – with action skill augments and passive powers separated and the number of upgrade opportunities listed – so you can start brainstorming your blast-happy Borderlands 3 builds ahead of the Borderlands 3 release date.

The Borderlands 3 Moze skill trees are:

Bottomless Mags


  • Cloud of Lead (5): Occasionally, Moze’s and Iron Bear’s shots will deal additional fire damage and won’t consume ammo
  • Dakka Bear: Adds a manned turret to the back of Iron Bear
  • Matched Set (5): Moze’s currently equipped weapon gains a stacking bonus to magazine size and decreased heat per shot for every piece of equipped gear that has a matching manufacturer
  • Scrappy: Increase Moze’s handling. While moving, Moze’s weapon swap and mode switch speed are increased
  • Redistribution: After Moze scores a critical hit, she regenerates ammo for a few seconds
  • Stoke the Embers: Increases Moze and Iron Bear’s fire damage
  • Rushin’ Offensive: Moze can sprint and shoot at the same time
  • Scorching RPM’s: Moze gains increased fire rate and critical hit damage
  • Specialist Bear: Equipping two of the same weapons on Iron Bear increases the damage they deal
  • The Iron Bank: Increases Moze’s magazine size
  • Some for the Road: Moze gains infinite ammo for a few seconds after exiting Iron Bear
  • “Click, Click…”: Moze gains increased gun damage as her magazine empties. The less ammo there is remaining, the greater the increase
  • Forge: Moze constantly regenerates ammo for her currently equipped weapon

Action skill and augments:

  • Minigun: The Minigun is capable of sustained rapid fire. Firing for long periods causes the Minigun to overheat, rendering it inoperable for a few seconds
  • Salamander: The Salamander is a flamethrower that deals fire damage to enemies at close range. Though the Salamander has infinite ammo, it drains fuel with use
  • Let Off Some Steam: Minigun deals more damage as heat increases, and can be fired for longer before overheating
  • General Winter: Minigun fires cryo rounds which reduce heat gain and fuel drain, but deal reduced damage
  • Fuel Economy: Reduces Salamander’s fuel drain. Additionally, Iron Bear’s movement speed is increased after damaging an enemy with Salamander
  • Chemical Warfare: Salamander now deals corrosive damage. Additionally, Salamander’s metl damage is increased
  • Exploding. Bullets.: Minigun fires explosive rounds that deal increased splash damage, but its fire rate is decreased
  • Molten Roar: The Salamander burst-fires three projectiles with increased fuel drain, the first of which leaves a large fire area
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Demolition Woman


  • Fire in the Skag Den (5): Whenever Moze deals splash damage, she deals bonus fire damage
  • Deadlines (3): Firing Iron Bear weapons drains less fuel
  • Grizzled (5): Kill skill – Killing an enemy reduces Moze’s remaining action skill cooldown time. This skill has diminishing returns
  • Stainless Steel Bear: Iron Bear gains additional armour and increased maximum fuel
  • Torgue Cross-Promotion: All splash damage dealt by Moze has a chance to double in size
  • Means of Destruction: Whenever Moze deals splash damage, there is a chance to add ammo to her currently equipped weapon’s magazine, with a smaller chance to return a grenade
  • Pull the Holy Pin: Moze’s grenades have a chance to score a critical hit, dealing greatly increased damage
  • Auto Bear: After Moze exits Iron Bear, it will remain deployed in place for a short time. While Auto Bear remains active, it will target and attack nearby enemies until its duration ends, then it will change at an enemy and self-destruct
  • Why Can’t I Carry All These Grenades: Increases Moze’s grenade carrying capacity
  • Vampyr: Whenever Moze damages an enemy with a grenade, for every enemy hit, she restores a portion of her missing health
  • To The Last: Moze gains the ability to throw grenades while in Fight For Your Life. If she threw a grenade before gaining Second Wind, a grenade is refunded
  • Explosive Punctuation: When Moze deals splash damage, her action skill cooldown rate is briefly increased
  • Short Fuse: Whenever Moze deals gun damage, there is a chance of a secondary explosion centred on the target

Action skill and augments:

  • V-35 Grenade Launcher: The V-35 is a semi-automatic grenade launcher. Its grenades are not affected by Moze’s equipped grenade mod
  • Vanquisher Rocket Pod: The Vanquisher Rocket Pod is a rocket launcher capable of rapid-firing volleys of unguided explosive rockets
  • Shaped Charge: Direct hits with the V-35 deal increased damage
  • Musical Chairs: Occasionally, the V-35 fires a singularity grenade that pulls in nearby enemies before exploding
  • Active Tracking: The Vanquisher Rocket Pod now fires homing rockets and has increased reload speed. Hold down fire button and aim at enemies to designate up to six targets. Releasing fire button launches a volley of homing rockets at the designated targets
  • Target Softening: The Vanquisher Rocket Pod deals greatly reduced damage per rocket, but fires in a six-rocket spread. Additionally, enemies hit by Vanquisher Rocket Pod rockets take increased damage from all sources
  • Lock and Speedload: The V-35’s reload speed is greatly increased and it now fires a five-round burst
  • Hammerdown Protocol: Instead of a volley of conventional rockets, the Vanquisher Rocket Pod launches a single rocket with a nuclear warhead, dealing massive radiation damage
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Shield of Retribution


  • Selfless Vengeance (5): Whenever Moze reloads, she loses a small portion of her health and grants additional fire damage to her and her allie’s rounds for a few seconds
  • Security Bear: Iron Bear gains a bubble shield that reduces damage taken. The shield deactivates if it sustains too much damage, reactivating after a short cooldown
  • Armoured Infantry (5): While Moze’s shields are active, she gains damage reduction and increased gun damage
  • Vladof Ingenuity: Moze’s maximum shield is increased, and she gains resistance to shock damage
  • Thin Red Line: A portion of Moze’s health is removed and cannot be restored, but her maximum shield is increased by the same amount
  • Drowning Brass: Kill Skill – Killing an enemy grants Moze a stack of Drowning in Brass. For each stack of Drowning in Brass, Moze’s fire rate is reduced, but gun damage is increased for both her and her allies
  • Full Can of Whoop-Ass: Entering Iron Bear causes Moze’s and her allies’ shields to immediately begin recharging at an increased shield recharge rate
  • Experimental Munitions: Whenever Moze scores a critical hit, she deals bonus fire damage
  • Desperate Measures: Moze’s gun damage is increased depending on how low her health is. The lower her health, the greater the increase
  • Behind the Iron Curtain: Moze’s shield recharge delay is reduced, and her shield recharge rate is increased
  • Phalanx Doctrine: Kill Skill – After killing an enemy, Moze gains a stack of Phalanx Doctrine. For every stack of Phalanx Doctrine, Moze’s maximum shield and gun damage are increased. Each stack last 30 seconds. There is no stack limit
  • Force Feedback: Whenever Moze scores a critical kill, her shields immediately begin recharging
  • Tenacious Defense: Whenever Moze’s shield is fully depleted, she instantly restores a portion of her shield, and her gun damage is increased for a short time. This skill can only trigger after Moze’s shields have fully recharged

Action skill and augments:

  • Railgun: the Railgun fires electrified high-velocity projectiles that deal shock damage
  • Bear Fist: The Bear Fist is a pneumatic-driven fist that deals massive damage to a single target at close range
  • Hell on Rails: Railgun now fires superheated rounds that deal fire damage, but have increased fuel drain per shot
  • Capacitive Armature: When Railgun hits an enemy, it chains to nearby enemies, dealing reduced shock damage to more targets
  • Wild Swing: Whenever Bear Fist hits an enemy, it deals random bonus elemental damage to that enemy and all enemies nearby
  • Close the Distance: Instead of punching, Bear Fist now launches its fist forward and grabs enemies at greatly increased range, pulling them back to Iron Bear
  • Corrosive Sabot Round: Railgun now fires a specialty round that deals reduced damage and explodes after a short delay. Railgun shots have reduced fuel drain and the magazine size is increased
  • Shockhammer: Bear Fist is now capable of sustaining rapid fire, punching as long as the fire button is held. Additionally, Bear Fist has reduced fuel drain and deals bonus shock damage with each hit

And there you go, all the Borderlands 3 Moze skills you can take advantage of if you choose the mech-wielding supersoldier. If you’re having trouble deciding how you want to spray wanton death and destruction on your cel-shaded foes, remember you can equip different action skills to each arm of your mech to keep things fresh.

If the Gunner isn’t for you, how about you mozey on over to our other class guides? We have a full breakdown of the Borderlands 3 Amara skill trees and of the Zane skill trees in Borderlands 3. That information originally came courtesy of a leak from the Borderlands 3 ECHOcast Twitch extension which allows you to dig through the loadouts of the streamer you’re watching. If you’re not sold on the game yet, or would appreciate more chances to interact with your favourite content creators, this functionality is shaping up to be a real winner.