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Borderlands 4
List of All Legendary Class Mods
☆ How Rush Saved Mercenary Day (Bounty Pack 1)
★ 12 active SHiFT Codes as of December 4, 2025
☆ Black Market Location
★ Elemental Weakness Chart
☆ Legendary Weapons
★ Builds: Vex | Amon | Rafa | Harlowe
This is a list of all Legendary Class Mods in Borderlands 4. Read on to see a list of legendary class mods for each Vault Hunter and how to get them, including info about class mod drop conditions.
| Legendary Item Guides | |
|---|---|
| Legendary Weapons | Legendary Ordnances |
| Legendary Shields and Repkits | Legendary Class Mods |
| Legendary Drop Locations | |
List of Contents
All Legendary Class Mods
| Legendary Vault Hunter Class Mods | |||
|---|---|---|---|
 Vex |
 Rafa |
 Harlowe |
 Amon |
Click on a link to jump to the list of that Vault Hunter's legendary class mods.
Legendary Vex Class Mods
| Class Mod | How to Get and Effect |
|---|---|
| Avatar | How to Get:
Chance to drop from Primordial Guardian Inceptus in Vault of Inceptus.
Unique Effect: Vex and her Minions gain increased Damage Dealt for each active Attunement Skill. Each active Attunement Skill also grants Vex and her Minions Damage Reduction against its matching Elemental Type. |
| Illusionist | How to Get:
Chance to drop from Callis, the Ripper Queen in Moon-Called Throne
Unique Effect: Specters and Reapers have a chance to be Badasses, gaining increased Maximum Health and Damage Dealt. This chance increases the longer it hasn't occurred and will at least occur once every 90 seconds. |
| Kindread Spirits | How to Get:
Chance to drop from Primordial Guardian Origo in Arch of Origo
Unique Effect: Using a Command Skill grants Vex Bonus Kinetic Minion Damage with Guns for a Duration. Command Skill deal Gun Damage in addition to its other types. |
| Technomancer | How to Get:
Chance to drop from Idolator Sol in Fortress Indomita.
Unique Effect: Eldritch Blast deals Ordnance Damage in addition to its other types. Killing an enemy, triggering Kill Skills, or using a Grenade will reset Eldritch Blast's Cooldown. |
| Teen Witch | How to Get:
Chance to drop from Primordial Guardian Radix in Vault of Radix
Unique Effect: When Vex has Maximum Health, her Lifesteal partially applies to Shields. When Vex has Maximum Shield, her Lifesteal partially grants Overshield. |
| Undead Eye | How to Get:
Chance to drop from Vile Lictor in Umbral Foundry
Unique Effect: Killing an enemy with a Sniper Rifle will trigger Blood Shot. Critically hitting an enemy with a Sniper Rifle has a 33% chance to trigger Blood Shot. |
Legendary Rafa Class Mods
| Class Mod | How to Get and Effect |
|---|---|
| Buster | How to Get:
Chance to drop from Primordial Guardian Origo in Arch of Origo
Unique Effect: APOPHIS Lance gains a 25% Chance to not consume Charges. The more Charges used at once, the greater the Chance. |
| Dancer | How to Get:
Chance to drop from Idolator Sol in Fortress Indomita.
Unique Effect: Overdrive bonuses are increased by +100%. Overdrive ends whenever Rafa's Action Skill ends. |
| Esgrimidor | How to Get:
Chance to drop from Callis, the Ripper Queen in Moon-Called Throne
Unique Effect: Rafa's Melee Attacks gain a +10% Critical Hit Chance. Critical Hits with Melee Attacks restore +5% of Action Skill Duration. |
| Filantropo | How to Get:
Chance to drop from Primordial Guardian Inceptus in Vault of Inceptus.
Unique Effect: Whenever Rafa retriggers his Action Skill, he spawns a free Grenade. If he has a Grenade equipped, he spawns one based on that. This Skill has a 4 second cooldown. |
| Grenazerker | How to Get:
Chance to drop from Primordial Guardian Radix in Vault of Radix
Unique Effect: Whenever Rafa throws a Grenade or Tediore Gun, he throws an additional one. |
| Instigator | How to Get:
Chance to drop from Vile Lictor in Umbral Foundry
Unique Effect: Whenever Peacebreaker Cannons fire at an enemy, gain a stack of Instigator and lose all Stacks when Peacebreaker Cannons fire at a new enemy. Rafa gains +2% Gun Damage for every Stack of Instigator. |
Legendary Harlowe Class Mods
| Class Mod | How to Get and Effect |
|---|---|
| Atomic Driver | How to Get:
Chance to drop from Primordial Guardian Origo in Arch of Origo
Unique Effect: Whenever Harlowe fires CHROMA Accelerator, she drains all but 1 of her Health and Amps CHROMA Accelerator. CHROMA Accelerator gains +20% Lifesteal. |
| Bio-Robot | How to Get:
Chance to drop from Idolator Sol in Fortress Indomita.
Unique Effect: Whenever Harlowe Entangles an enemy, she creates alternating elemental hazards. |
| Generator | How to Get:
Chance to drop from Vile Lictor in Umbral Foundry
Unique Effect: Whenever Harlowe activates her Flux Generator, she decreases her remaining Action Skill Duration by 50% and gains +200% Action Skill Power. |
| Reactor | How to Get:
Chance to drop from Primordial Guardian Inceptus in Vault of Inceptus.
Unique Effect: Whenever Harlowe Entangles an enemy, she gains a Reactor Stack. For every Stack, she gains +2% Movement Speed. When she gains 10 Stacks, she also gains +20% Gun Damage, +20% Fire Rate, +20% Reload Speed, and +20% Status Effect Damage for 12 seconds, and loses all Stacks once the Duration ends. |
| Scientist | How to Get:
TBD
Unique Effect: Whenever Harlowe Shocks an enemy, she automatically Entangles and Irradiates that enemy. Whenever Harlowe Entangles an enemy, Electric Arcs shoot out from that enemy at other nearby enemies. |
| Skeptic | How to Get:
Chance to drop from Callis, the Ripper Queen in Moon-Called Throne
Unique Effect: Whenever Harlowe Slams an enemy in Stasis, she automatically fires Radiation Darts and Cryo Darts that home in on enemies. Shooting enemies with an active Status Effect restores 5% of Action Skill Cooldown. |
Legendary Amon Class Mods
| Class Mod | How to Get and Effect |
|---|---|
| Blacksmith | How to Get:
Chance to drop from Vile Lictor in Umbral Foundry
Unique Effect: Kill Skill. Partially restores all active Forgedrone's Duration. For each active Forgedrone, Amon deals increased Gun Damage. |
| Elementalist | How to Get:
Chance to drop from Primordial Guardian Inceptus in Vault of Inceptus.
Unique Effect: Whenever an Affinity Skill gains a Stack, all unlocked Affinity Skills also gain a Stack. For each Stack of Affinity from all Affinity Skills, Amon gains increased Movement Speed. |
| Forge Master | How to Get:
Chance to drop from Primordial Guardian Radix in Vault of Radix
Unique Effect: All Forgeskills can now be used once while on Cooldown. |
| Furnace | How to Get:
Chance to drop from Idolator Sol in Fortress Indomita.
Unique Effect: Damage from Fellfrost, Hoarcleave, Fulminating Fist, and Stormcutter is converted to Incendiary Damage |
| Shatterwight | How to Get:
Chance to drop from Primordial Guardian Origo in Arch of Origo
Unique Effect: Forgewaves now deal Melee Damage in addition to their other types. Melee Attacks while Scourge is active gain increased Cryo Efficiency Radius. |
| Viking | How to Get:
Chance to drop from Callis, the Ripper Queen in Moon-Called Throne
Unique Effect: Crucible gains +2 Charges, increased Duration, and grants Amon increased Damage Reduction while active. |
Class Mods Drop Conditions
Class Mods Start Dropping after Reaching Level 20
Similar to your other weapon and equipment slots, the Class Mod slot only becomes available after you hit Level 20. However, once you unlock the slot, Class Mods will start dropping as you farm the enemies scattered around the open world.
Legendary Class Mods Drop from Vault Bosses
Players eyeing a Legendary Class Mod will have to brave one of the three Vaults in order to get a chance at a drop. Defeat the Vault Bosses found at the end of each vault for a chance at a Legendary Class Mod drop.
Class Mods for Your Class are Not Guaranteed
Unfortunately, the drop table for Class Mods will also include the mods for other Vault Hunters. This means that when farming these class mods, you are not guaranteed to get the mod of your current character.
If you end up with a Legendary Class Mod for a different Vault Hunter, you can instead deposit it into your Bank so that a different character on your account can make use of it.
What Are Class Mods?
Equipment that Grants Bonus Points to Selected Skills
Class Mods are a type of equipment that grants you a random amount of bonus skill points when equipped. The skills that get bonus points will be random, so these will have to be re-farmed if you plan to min-max your build.
Borderlands 4 Related Guides
Borderlands 4 Walkthrough Wiki
Borderlands 4 Wiki
| Borderlands 4 Wiki Contents | |
|---|---|
 Main Missions |
 Side Missions |
 Builds |
 Tips and Tricks |
 Bosses |
 Customizations |
 Weapons |
 Shields and Repkits
|
 Ordnances |
 Skills |
 Specializations |
 Safehouses |
 Auger Mines |
 Vehicles |
 Characters |
 News and Game Info |
 Maps |
 Class Mods |
 Order Bunkers |
- |
Recommended Guides
Comment
3 
Anonymous 3 months
Anonymous 3 monthsCore Observer dropped a this class mod for Harlowe. https://prnt.sc/b1uibz50k2sW
Author
List of All Legendary Class Mods
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Rocket Scientist (Harlowe, Gravitar) dropped from Radix in Vault of Radix