How to Get Legendary Class Mods in Borderlands 4

Borderlands 4 brings about some exciting new Vault Hunters to play around with, but of the 4 available, players are always going to want to grow their strengths. These powerful Vault Hunters are aided by their skill points, but a Legendary Class Mod is the true way to make them overpowered. Below, players can find the exact bosses they will need to farm in Borderlands 4 if they want to nab a Legendary Class Mod to truly change the way their build works.

This guide has been updated to include every Legendary Class Mod in Borderlands 4, and where to get them.

How to Get Legendary Class Mods in Borderlands 4

All Legendary Class Mods & Where to Farm Them

Players can get Legendary Class Mods for each of the 4 Vault Hunters by farming Idolator Sol, Vile Lictor, Callis, and the Primordial Guardian, Inceptus. Below, is the location of each and when you can start farming them:

Inceptus – Found inside the Fadefields Vault, accessed after finding 3 Vault Key Fragments in the Fadefields
Idolator Sol – Complete "Rush the Gate" and venture to Fortress Ilndomita in the Fadefields
Vile Lictor – Complete "His Vile Sanctum" and farm him at the Umbral Factory in Terminus Range
Callis – Complete "Her Flaming Vision" then farm her at the Moon-Called Throne in Carcadia Burn

Unfortunately, the loot that drops is completely random, so even if players are lucky enough to get a Class Mod, it might be for a Vault Hunter that they're not currently playing as. Here's a look at each Vault Hunter's unique Class Mod:

All Amon the Forgeknight Legendary Class Mods

Class Mod	Description	How to Get
Elementalist	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	Farm Inceptus, in the Fadefields Vault
Furnace	Damage from Fellfrost, Hoarcleave, Fulminating Fist, and Stormcutter is converted to Incendiary Damage.	Farm Idolator Sol, in Fortress Indomita, the Fadefields
Blacksmith	Kill Skill. Partially restores all active Forgedrone's Duration. For each active Forgedrone, Amon deals increased Gun Damage.	Farm Vile Lictor, at Umbral Factory, Terminus Range
Viking		Farm Callis, in Moon-Called Throne, Carcadia Burn

All Rafa the Exo-Soldier Legendary Class Mods

Class Mod	Description	How to Get
Filantropo	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.	Farm Inceptus, in the Fadefields Vault
Dancer	Overdrive bonuses are increased. Overdrive ends whenever Rafa's Action Skill ends.	Farm Idolator Sol, in Fortress Indomita, the Fadefields
Instigator	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 Gun Damage for every Stack of Instigator.	Farm Vile Lictor, at Umbral Factory, Terminus Range
Esgrimidor		Farm Callis, in Moon-Called Throne, Carcadia Burn

All Vex the Siren Legendary Class Mods

Class Mod	Description	How to Get
Avatar	Vex and her Minions deal increased Damage for each active Attunement, and gain Damage Reduction against each Elemental Type she is Attuned to.	Farm Inceptus, in the Fadefields Vault
Technomaster		Farm Idolator Sol, in Fortress Indomita, the Fadefields
Undead Eye	Killing an enemy with a Sniper Rifle will trigger Blood Shot. Critically Hitting an enemy with a Sniper Rifle has a chance to trigger Blood Shot.	Farm Vile Lictor, at Umbral Factory, Terminus Range
Illusionist	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.	Farm Callis, in Moon-Called Throne, Carcadia Burn

All Harlowe the Gravitar Legendary Class Mods

Class Mod	Description	How to Get
Driver	Whenever Harlowe fires CHROMA Accelerator, she drains all but 1 of her Health and Amps CHROMA Accelerator. CHROMA Accelerator gains +20% Lifesteal.	Farm Inceptus, in the Fadefields Vault
Bio-Robot	Whenever Harlowe Entangles an enemy, she creates alternating Cryo Hazards and Radiation Hazards.	Farm Idolator Sol, in Fortress Indomita, the Fadefields
Generator	Whenever Harlowe activates her Flux Generator, she decreases her remaining Action Skill Duration and gains Action Skill Power.	Farm Vile Lictor, at Umbral Factory, Terminus Range
Skeptic		Farm Callis, in Moon-Called Throne, Carcadia Burn

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Released: September 12, 2025
ESRB: Mature 17+ / Blood and Gore, Intense Violence, Sexual Themes, Strong Language, In-Game Purchases, Users Interact
Developer(s): Gearbox Software
Publisher(s): 2K