Legendary Mods: All Descriptions and Usages

Legendary Mods Overview

1st Star

Crafting Cost: 15 Legendary Modules per Mod plus Material from the list

Legendary Mod	Description	Usage	Material
Adrenal	[Weapon] +10% damage per kill while on a Kill Streak. [Armor] +10 Damage and Energy Resistance per kill while on a Kill Streak (Max 10).	✓Armor/Power Armor ✓Weapon/Weapon Melee	1 Adrenal Reaction Serum Only at Bounty Hunting: Head Hunt & Grunt Hunt
Anti-armor	+50% Armor Penetration	✓Weapon/Weapon Melee	5 Black Titanium
Aristocrat's	[Armor] Reflect incoming damage based on caps held. Currently <+MAG> (Max 10%) [Weapon] Up to +50% Damage based on Caps you have. Currently <+MAG>%	✓Armor/Power Armor ✓Weapon/Weapon Melee	1 Bobblehead: Caps
Assassin's	[Armor] -15% Damage From Humans [Weapon] +50% Damage to Humans	✓Armor/Power Armor ✓Weapon/Weapon Melee	1 Liquid Courage
Auto Stim	Automatically use a Stimpak When Hit While Health is 25% or less, once every 60 seconds	✓Armor/Power Armor	5 Stimpak
Berserker's	Damage Increases up to +50% as Damage Resistance Decreases. Currently <+MAG>%	✓Weapon/Weapon Melee	5 Psycho
Bloodied	Damage Increases up to +130% as Health Decreases. Currently <+MAG>%	✓Weapon/Weapon Melee	1 Adrenal Reaction Serum
Bolstering	Grants up to 10% Damage Reduction at lower Health Percent. Currently <+MAG>%.	✓Armor/Power Armor	5 Med-X
Chameleon	Become Invisible While Sneaking and Not Moving	✓Armor/Power Armor	1 Chameleon Serum
Cloaking	Being Hit in Melee causes the Player to become Invisible Once Every 30 Seconds	✓Armor/Power Armor	1 Stealth Boy
Executioner's	+50% More Damage when Your Target is Below 40% Health	✓Weapon/Weapon Melee	25 Leather
Exterminator's	[Armor] -15% Damage From Mirelurks and Insects [Weapon] +50% Damage to Mirelurks and Insects	✓Armor/Power Armor ✓Weapon/Weapon Melee	1 Bloodbug Proboscis, 1 Stigwing Barb
Feral's	[Ghoul]: Target kills makes you go feral faster	✓Weapon Melee	5 Black Titanium Only at Bounty Hunting: Head Hunt & Grunt Hunt
Furious	+5% Damage per Onslaught stack, +9 max stacks	✓Weapon/Weapon Melee	1 Fury
Ghoul Slayer's	[Armor] -15% Damage From Ghouls [Weapon] +50% Damage to Ghouls	✓Armor/Power Armor ✓Weapon/Weapon Melee	1 RadShield
Gourmand's	Damage Increases up to 40% as you Fill Your Hunger and Thirst Meters. Currently +24%	✓Weapon/Weapon Melee	1 Vegetarian Ham
Heavyweight	Grants up to 10% Damage Reduction at Higher Encumberance. Currently <+MAG>%. (Max at 150% Encumberance)	✓Armor	1 Bird Bones Serum
Hunter's	[Armor] -15% Damage From Animals [Weapon] +50% Damage to Animals	✓Armor/Power Armor ✓Weapon/Weapon Melee	1 Yao Guai Hide
Instigating	+50% Damage Against Targets above 60% Health	✓Weapon/Weapon Melee	5 Whiskey
Juggernaut's	Damage Increases up to 100% as Health Increases. Currently <+MAG>% (1000HP = 100%)	✓Weapon/Weapon Melee	5 Buffout
Junkie's	Damage Increases per Addiction up to +100% Currently <+MAG>%	✓Weapon/Weapon Melee	5 Mentats
Life Saving	When Incapacitated, Gain a 50% Chance to Revive Yourself with a Stimpak, Once Every 60 seconds	✓Armor	5 Stimpak
Lucid	Ghoul: [Armor] Increases Damage Reduction up to 6% as you Fill Your Feral Meter. Currently <+MAG>% [Weapon] Damage Increases up to 40% as you Fill Your Feral Meter. Currently <+MAG>%	✓Armor/Power Armor ✓Weapon/Weapon Melee	1 Bobblehead: Medicine Only at Bounty Hunting: Head Hunt & Grunt Hunt
Medic's	Attacks will Heal Friendly Targets by 5% Health	✓Weapon/Weapon Melee	1 Bobblehead: Medicine
Mutant Slayer's	[Armor] -15% Damage From Super Mutants [Weapon] +50% Damage to Super Mutants	✓Armor/Power Armor ✓Weapon/Weapon Melee	1 Super Mutant Head
Mutant's	[Armor] Up to 5% Damage Reduction as you acquire more Mutations. Currently <+MAG>%. [Weapon] Damage Increases up to 50% as you gain Mutations. Currently <+MAG>%	✓Armor/Power Armor ✓Weapon/Weapon Melee	10 Asbestos
Nocturnal	[Armor] 4 Perception and Agility while Cloaked [Weapon] +50% Damage while Cloaked	✓Armor/Power Armor ✓Weapon/Weapon Melee	10 Nuclear Material
Overeater's	Increases Max Health up to 40 as you Fill Your Hunger and Thirst Meters. Currently <+MAG>	✓Armor/Power Armor	1 Perfect Bubblegum
Quad	+300% Ammo Capacity	✓Weapon	1 Fusion Core
Regenerating	+0.5% Heal Rate	✓Armor/Power Armor	1 Healing Factor Serum
Sniper's	100% Damage to distant Targets	✓Weapon	1 Bobblehead: Perception Only at Bounty Hunting: Head Hunt & Grunt Hunt
Stalker's	+100% Sneak Attack Damage	✓Weapon	1 Calmex
Suppressor's	Reduce Your Target's Damage Output by 25% for 5 seconds	✓Weapon/Weapon Melee	1 Grounded Serum
Troubleshooter's	[Armor] -15% Damage From Robots [Weapon] +50% Damage to Robots	✓Armor/Power Armor ✓Weapon/Weapon Melee	10 Circuitry
Two Shot	+1 Projectiles +75% Damage -150% Hip-Fire Accuracy +100% Recoil	✓Weapon	20 Lead
Unyielding	Gain up to +3 to All S.P.E.C.I.A.L. Stats (except END) when Health is Low. Currently <+MAG>	✓Armor	5 X-Cell
Vampire's	Restore 2% Health over 2 seconds when you Hit a Target	✓Weapon/Weapon Melee	10 Bloodpacks
Vanguard's	Grants up to 6% Damage Reduction as Health Increases. Currently <+MAG>%	✓Armor/Power Armor	5 Blood Pack
Zealot's	[Armor] -15% Damage From Scorched [Weapon] +50% Damage to Scorched	✓Armor/Power Armor ✓Weapon/Weapon Melee	10 Ultracite

2nd Star Crafting Cost: 30 Legendary Modules per Mod plus Material from the list

Legendary Mod	Description	Usage	Material
Agility	+2 Agility	✓Armor/Power Armor	1 Bobblehead: Agility
Antiseptic	+25% Reduced Disease Chance From Environmental Hazards	✓Armor/Power Armor	10 Disease Cure
Basher's	+50% Bash Damage	✓Weapon	25 Concrete
Charisma	+2 Charisma	✓Armor/Power Armor	1 Bobblehead: Charisma
Crippling	+50% Limb Damage	✓Weapon/Weapon Melee	5 Black Titanium
Elementalist	Increase All Resistances by 25	✓Armor/Power Armor	1 Bobblehead: Endurance Only at Bounty Hunting: Head Hunt & Grunt Hunt
Endurance	+2 Endurance	✓Armor/Power Armor	1 Bobblehead: Endurance
Explosive	Projectiles explode for +20% weapon damage	✓Weapon	1 Bobblehead: Explosive
Fierce	Fortify Limb Resistance based on Kill Streak count. [1% per Kill]	✓Armor/Power Armor	1 Bobblehead: Strength Only at Bounty Hunting: Head Hunt & Grunt Hunt
Fireproof	+50 Fire Resistance	✓Armor/Power Armor	10 Floater Flamer Puc Sac
Glutton	Hunger and Thirst Grow 10% Slower	✓Armor/Power Armor	1 Perfect Bubblegum
Hardy	Receive 7% Less Explosion Damage	✓Armor/Power Armor	1 Bobblehead: Explosive
HazMat	+50 Radiation Resistance	✓Armor/Power Armor	10 Rad-x
Heavy Hitter's	+40% Power Attack Damage	✓Weapon Melee	25 Concrete
Hitman's	+25% Damage While Aiming	✓Weapon	10 Fiber Optics
Inertial	Replenish 15 Action Points with Each Kill	✓Weapon/Weapon Melee	10 Canned Coffee
Intelligence	+2 Intelligence	✓Armor/Power Armor	1 Bobblehead: Intelligence
Last Shot	The last round in a magazine has a 25% chance to Deal +100% Damage	✓Weapon	15 Gunpowder
Luck	+2 Luck	✓Armor/Power Armor	1 Bobblehead: Luck
Pain Killer	Gain Health over time while on a Kill Streak. Effect becomes stronger the higher the Kill Streak.	✓Armor/Power Armor	1 Bobblehead: Medicine Only at Bounty Hunting: Head Hunt & Grunt Hunt
Perception	+2 Perception	✓Armor/Power Armor	1 Bobblehead: Perception
Pick Pocketer's	Target Kills have 50% chance to grant a low amount of caps. [50% Chance: 1-4 Caps]	✓Weapon Melee	1 Bobblehead: Caps Only at Bounty Hunting: Head Hunt & Grunt Hunt
Poisoner's	+50 Poison Resistance	✓Armor/Power Armor	10 Floater Gnasher Puc Sac
Powered	+5% Action Point Regen	✓Armor/Power Armor	10 Canned Coffee
Rapid	[Ranged] +25% Weapon Speed [Melee] +40% Weapon Speed	✓Weapon/Weapon Melee	1 Speed Demon Serum
Riposting	+50% Blocked Damage Reflection	✓Weapon Melee	25 Glass
Rushing	Gain Action Points over time while on a Kill Streak. Effect becomes stronger the higher the Kill Streak. [0,3 - 3 AP/s per Kill]	✓Armor/Power Armor	1 Bobblehead: Agility Only at Bounty Hunting: Head Hunt & Grunt Hunt
Steady	+25% Melee Damage While Not Moving	✓Weapon Melee	3 Orange Mentats
Strength	+2 Strength	✓Armor/Power Armor	1 Bobblehead: Strength
V.A.T.S. Enhanced	+50% Chance to Hit a Target in V.A.T.S.	✓Weapon	3 Berry Mentats
Vital	+50% Critical Damage	✓Weapon/Weapon Melee	1 Eagle Eyes Serum
Warming	+50 Cryo Resistance	✓Armor/Power Armor	10 Floater Freezer Pus Sac

3rd Star

Crafting Cost: 60 Legendary Modules per Mod plus Material from the list

Legendary Mod	Description	Usage	Material
Acrobat's	-50% Fall Damage	✓Armor	1 Marsupial Serum
Active	Max AP increased by +20	✓Armor/Power Armor	1 Bobblehead: Agility Only at Bounty Hunting: Head Hunt & Grunt Hunt
Adamantium	Receive 15% less Limb Damage	✓Armor	1 Twisted Muscles Serum
Agility	+3 Agility	✓Weapon/Weapon Melee	1 Bobblehead: Agility
Arms Keeper's	Weapon Weights Reduced by 20%	✓Armor/Power Armor	1 Bobblehead: Small Guns
Barbarian	+1 STR per kill while on a Kill Streak (Max 10).	✓Weapon	1 Bobblehead: Melee Only at Bounty Hunting: Head Hunt & Grunt Hunt
Belted	Ammo Weight Reduced by 20%	✓Armor/Power Armor	25 Lead
Blocker	15% More Damage Blocked	✓Weapon Melee	10 Oil
Burning	5% chance to deal 12 Fire damage per second for 3 to Melee Attackers.	✓Armor/Power Armor	15 Floater Flamer Pus Sac
Cavalier's	-10% Damage Taken While Sprinting	✓Armor/Power Armor	10 Oil
Charisma	+3 Charisma	✓Weapon/Weapon Melee	1 Bobblehead: Charisma
Defender's	[Armor] 5% Chance To Automatically Block Attacks [Weapon Melee] 40% Chance To Automatically Block Attacks	✓Armor/Power Armor ✓Weapon Melee	25 Steel
Dissipating	+0.25% Radiation Damage Recovery	✓Armor/Power Armor	10 RadAway
Diver's	Breathe Underwater	✓Armor	15 Plastic
Doctor's	+5% Effectiveness of Stimpaks, RadAway, and Rad-X	✓Armor/Power Armor	1 Stimpak: Super
Durability	Breaks 50% slower	✓Armor/Power Armor ✓Weapon/Weapon Melee	1 Bobblehead: Repair
Electrified	5% chance to deal 12 Energy damage per second for 3 to Melee Attackers.	✓Armor/Power Armor	1 Electrically Charged Serum
Endurance	+3 Endurance	✓Weapon/Weapon Melee	1 Bobblehead: Endurance
Frozen	5% chance to deal 12 Cryo damage per second for 4 to Melee Attackers.	✓Armor/Power Armor	15 Floater Freezer Pus Sac
Ghost's	10% Chance to cause the Player to be Invisible for 2 seconds when Hitting a Target	✓Weapon	1 Stealth Boy
Glowing	[Ghoul]: Target Kills Increase Glow by a small amount [Human]: Target Kills Increase Rads by a small amount., (20 RADs)	✓Weapon/Weapon Melee	1 Bobblehead: Science Only at Bounty Hunting: Head Hunt & Grunt Hunt
Healthy	Max HP Increased by +20	✓Armor/Power Armor	1 Bobblehead: Endurance Only at Bounty Hunting: Head Hunt & Grunt Hunt
Intelligence	+3 Intelligence	✓Weapon/Weapon Melee	1 Bobblehead: Intelligence
Lightweight	-90% weight	✓Weapon/Weapon Melee	10 Cork
Luck	+3 Luck	✓Weapon/Weapon Melee	1 Bobblehead: Luck
Lucky	+15 Bonus V.A.T.S. Critical Charge	✓Weapon/Weapon Melee	1 Bobblehead: Luck
Nimble	+100% Faster Movement Speed While Aiming	✓Weapon	25 Springs
Pack Rat's	Junk Item Weights Reduced by 20%	✓Armor/Power Armor	1 Marsupial Serum
Perception	+3 Perception	✓Weapon/Weapon Melee	1 Bobblehead: Perception
Reflex	2% Evade	✓Armor	1 Bobblehead: Agility Only at Bounty Hunting: Head Hunt & Grunt Hunt
Resilient	+500 Damage Resistance While Reloading	✓Weapon	5 Med-X
Safecracker's	+1 Lockpicking Skill +1 Hacking Skill	✓Armor/Power Armor	1 Bobblehead: Lock Picking
Secret Agent's	+25% Less Noise While Sneaking +25% Reduce Detection Chance	✓Weapon	1 Bobblehead: Sneak
Sentinel's	-5% Damage Taken While Not Moving	✓Armor/Power Armor	1 Scaly Skin Serum
Steadfast	+50 Damage Resistance While Aiming	✓Weapon	5 Ballistic Fiber
Strength	+3 Strength	✓Weapon/Weapon Melee	1 Bobblehead: Strength
Swift	+15% Reload Speed	✓Weapon	1 Speed Demon Serum
Thru-hiker's	Food, Drink, and Chem Weights Reduced by 20%	✓Armor/Power Armor	10 Purified Water
Toxic	5% chance to deal 12 Poison damage per second for 7 to Melee Attackers.	✓Armor/Power Armor	15 Floater Gnasher Pus Sac
V.A.T.S. Optimized	-35% Action Point Cost	✓Weapon/Weapon Melee	10 Sugar

4th Star

Crafting Cost: 120 Legendary Modules per Mod plus Material from the list

Legendary Mod	Description	Usage	Material
Aegis	Fortifies Physical & Energy Resists by +50 and Poison, Cryo & Fire Resists by +20 for Wearer & Teammates Within a 50ft Radius	✓Power Armor	5 Circuitry RAID: Gleaming Depths (only Stage 3) & Bigfoot
Battle-Loader's	15% Chance to Instantly Reload When Bashing Enemies (up to 75% Chance on Full Stack)	✓Armor/Power Armor	1 Talons Serum RAID: Gleaming Depths (only Stage 2) & Bigfoot
Bruiser's	Melee Weapons Deal +5% Bonus Damage (up to +25% on Full Stack)	✓Armor/Power Armor	1 Bufftats RAID: Gleaming Depths (only Stage 4)
Bully's	+25% damage per crippled limb the target has	✓Weapon/Weapon Melee	1 Buffout RAID: Gleaming Depths (only Stage 1)
Charged	Light Attacks Build Up Charge That Is Released With A Heavy Attack (Max Charges 3)	✓Weapon Melee	3x Fusion Core RAID: Gleaming Depths (Only Stage 3)
Choo-Choo's	10% Chance for 500 Damage & "Bloody Mess" When Sprinting Into Targets (up to 50% Chance on Full Stack)	✓Power Armor	15 Cannonballs RAID: Gleaming Depths (only Stage 3)
Combo-Breaker's	When Dealing Damage, 50% Chance to Not Use AP (10% Chance for Auto Melee Weapons)	✓Weapon Melee	1 Day Tripper RAID: Gleaming Depths (only Stage 3)
Conductor's	Critical Hits Restore 10 Health & Action Points instantly and 100 more over 5 seconds for Player & Teammates Within a 100ft Radius	✓Weapon/Weapon Melee	5 Pure Crimson Flux RAID: Gleaming Depths (only Stage 3)
Electrician's	When Reloading, Emit a Shock Wave That Stuns Nearby Targets for 3s	✓Weapon	1 Bobblehead: Energy Weapons RAID: Gleaming Depths (only Stage 2)
Encircler's	+10% Damage For Each Combat Target Around You (up to +50%)	✓Weapon/Weapon Melee	1 Overdrive RAID: Gleaming Depths (only Stage 4)
Fencer's	+12.5% Melee Damage. Additional +12.5% for Each Nearby Teammate (up to +50% on Full Team)	✓Weapon Melee	1 Bobblehead: Melee RAID: Gleaming Depths (only Stage 2)
Fracturer's	When Crippling Limbs, They Explode and Deal up to 50 Explosion Damage to Nearby Targets	✓Weapon/Weapon Melee	25 Gunpowder RAID: Gleaming Depths (only Stage 1)
Icemen's	Applies Cryo On Hit That Slow Targets When Dealing Damage in V.A.T.S.	✓Weapon Melee	5 Pure Fluorescent Flux RAID: Gleaming Depths (only Stage 4) & Bigfoot
Limit-Breaking	Each Worn Armor Piece Reduces the Cost of Critical Hits by -10% (up to -50% on Full Stack)	✓Armor/Power Armor	5 Pure Violet Flux RAID: Gleaming Depths (only Stage 5)
Miasma's	When Hit, a Poisonous DoT Cloud Harms Nearby Targets for 10s (DoT DMG Increases Per Equipped Piece)	✓Armor/Power Armor	1 Plague Walker Serum RAID: Gleaming Depths (only Stage 4)
Pin-Pointer's	+20% Weak Spot Damage	✓Weapon	1 Formula P RAID: Gleaming Depths (only Stage 1)
Polished	The Greater the Equipped Item Condition (+100%), the Greater the Weapon Damage (up to +60%)	✓Weapon/Weapon Melee	1 Improved Repair Kit RAID: Gleaming Depths (only Stage 4) & Bigfoot
Pounder's	+10% Damage per Onslaught stack, +10 max stacks	✓Weapon Melee	1 Fury RAID: Gleaming Depths (only Stage 3)
Propelling	Movement & Sprint Speed Increased by +5% (up to +25% on Full Stack)	✓Power Armor	15 Vault Steel Scrap RAID: Gleaming Depths (only Stage 5) & Bigfoot
Pyromaniac's	When a Combat Target is Burning, Deal +50% Bonus Damage	✓Weapon/Weapon Melee	15 Asbestos RAID: Gleaming Depths (only Stage 5)
Radioactive-Powered	Gain +2 AP Regeneration at the Cost of RADS (up to +10 AP on Full Stack)	✓Power Armor	5 Pure Cobalt Flux RAID: Gleaming Depths (only Stage 1) & Bigfoot
Ranger's	Ranged Weapons Deal +5% Bonus Damage (up to +25% on Full Stack)	✓Armor/Power Armor	1 Psychobuff RAID: Gleaming Depths (only Stage 4)
Reflective	Return 10% of Damage Received from an Enemy Target Back Towards Them (up to 50% on Full Stack)	✓Power Armor	1 Bobblehead: Science RAID: Gleaming Depths (only Stage 3)
Rejuvenator's	Gradually Restores Wearer's & Teammates Health & Action Points Within A 50ft Radius	✓Power Armor	5 Stimpak Diffuser RAID: Gleaming Depths (only Stage 2)
Runner's	Sprinting Action Point Cost Reduced by -20% (up to -100% on Full Stack)	✓Armor/Power Armor	10 Purified Water RAID: Gleaming Depths (only Stage 1)
Sawbones's	Health Regenerates Slowly (+1 Health per second) (up to +5 Health per second on Full Stack)	✓Armor/Power Armor	1 Healing Factor Serum RAID: Gleaming Depths (only Stage 5)
Scanner's	Action Point Cost of V.A.T.S. Attacks Reduced by -5% (up to -25% on Full Stack)	✓Power Armor	1 X-Cell RAID: Gleaming Depths (only Stage 1)
Stabilizer's	Improves Weapon Recoil & Stability by 50%	✓Weapon	25 Rubber RAID: Gleaming Depths (only Stage 2) & Bigfoot
Stalwart's	Power Armor Breaks 5% Slower For Owner & All Teammates Within A 50ft Radius (up to 25% Slower on Full Stack)	✓Power Armor	1 Bobblehead: Leader RAID: Gleaming Depths (only Stage 5)
Tanky's	+200 Damage Resist for 10s When Standing Still (20s Cooldown) (up to +1000 on Full Stack)	✓Armor/Power Armor	5 Ballistic Fiber RAID: Gleaming Depths (only Stage 2)
Thrill-Seeker's	Reload Speed & Melee Attack Speed increases based on Killstreak Count (2% per Kill)	✓Weapon/Weapon Melee	1x Adrenal Reaction Serum Only from Bigfoot (25% Chance)
Viper's	When a Combat Target is Poisoned, Deal +50% Bonus Damage	✓Weapon/Weapon Melee	15 Acid RAID: Gleaming Depths (only Stage 5)