Fallout 76 now features powerful 4-Star Legendary Mods that bring exclusive abilities to your weapons, armor, and power armor. These high-tier mods provide enhanced combat effects, improved team support capabilities, and major damage boosts, giving players a real edge in the Wasteland.
Crafting a 4-star mod isn’t easy—it requires 120 Legendary Modules along with other specific ingredients. If you’re looking to boost your gear instantly, you can buy Fallout 76 4-Star Legendary Mod directly to save time and effort.
The tables below organize every available 4-star mod by item type, showing their unique effects and the full list of crafting materials required.
Crafting Cost: 120 Legendary Modules per mod + specific ingredients listed in each table.
| Mod Name | Effect | Required Ingredient |
|---|---|---|
| Aegis | Fortifies Physical & Energy Resists by +50 and Poison, Cryo & Fire Resists by +20 for wearer & teammates within 50ft radius | 5 Circuitry |
| Battle-Loader's | 15% chance to instantly reload when bashing enemies (up to 75% on full stack) | 1 Talons Serum |
| Choo-Choo's | 10% chance for 500 damage & "Bloody Mess" when sprinting into targets (up to 50% on full stack) | 15 Cannonballs |
| Propelling | Movement & sprint speed increased by +5% (up to +25% on full stack) | 15 Vault Steel Scrap |
| Radioactive-Powered | Gain +2 AP regeneration at the cost of RADS (up to +10 AP on full stack) | 5 Pure Cobalt Flux |
| Reflective | Return 10% of damage received from an enemy back to them (up to 50% on full stack) | 1 Bobblehead: Science |
| Rejuvenator's | Gradually restores wearer’s & teammates' health and action points within 50ft radius | 5 Stimpak Diffuser |
| Scanner's | Action Point cost of V.A.T.S. attacks reduced by -5% (up to -25% on full stack) | 1 X-Cell |
| Stalwart's | Power Armor breaks 5% slower for owner & all teammates within 50ft (up to 25% on full stack) | 1 Bobblehead: Leader |
| Mod Name | Effect | Required Ingredient |
|---|---|---|
| Bruiser's | Melee weapons deal +5% bonus damage (up to +25% on full stack) | 1 Bufftats |
| Limit-Breaking | Each worn armor piece reduces cost of critical hits by -10% (up to -50% on full stack) | 5 Pure Violet Flux |
| Miasma's | When hit, a poisonous DoT cloud harms nearby targets for 10s (damage increases per equipped piece) | 1 Plague Walker Serum |
| Ranger's | Ranged weapons deal +5% bonus damage (up to +25% on full stack) | 1 Psychobuff |
| Runner's | Sprinting action point cost reduced by -20% (up to -100% on full stack) | 10 Purified Water |
| Sawbones's | Health regenerates slowly (+1 HP/s) (up to +5 HP/s on full stack) | 1 Healing Factor Serum |
| Tanky's | +200 damage resist for 10s when standing still (up to +1000 on full stack, 20s cooldown) | 5 Ballistic Fiber |
These powerful upgrades add more depth to the game and give players more ways to build their characters. With so many unique effects, 4-star mods can turn ordinary Fallout 76 items into game-changing gear. Whether you're looking for extra damage, better defense, or support for your team, there's a mod that fits your playstyle.
| Mod Name | Effect | Required Ingredient |
|---|---|---|
| Combo-Breaker's | When dealing damage, 50% chance to not use AP (10% for auto melee weapons) | 1 Day Tripper |
| Fencer's | +12.5% melee damage. Additional +12.5% for each nearby teammate (up to +50%) | 1 Bobblehead: Melee |
| Icemen's | Applies cryo on hit that slows targets when dealing damage in V.A.T.S. | 5 Pure Fluorescent Flux |
| Pounder's | +10% damage per Onslaught stack, +10 max stacks | 1 Fury |
| Viper's | When a combat target is poisoned, deal +50% bonus damage | 15 Acid |
| Mod Name | Effect | Required Ingredient |
|---|---|---|
| Bully's | When attacking outside of V.A.T.S., deal +50% bonus weak-point damage | 1 Buffout |
| Electrician's | When reloading, emit a shock wave that stuns nearby targets for 3 seconds | 1 Bobblehead: Energy Weapons |
| Pin-Pointer's | +50% damage when targeting enemy appendages (arms, legs, etc.) | 1 Formula P |
| Polished | The greater the equipped item condition (+100%), the greater the weapon damage (up to +60%) | 1 Improved Repair Kit |
| Pyromaniac's | When a combat target is burning, deal +50% bonus damage | 15 Asbestos |
| Stabilizer's | Improves weapon recoil and stability by 50% | 25 Rubber |
| Mod Name | Effect | Required Ingredient |
|---|---|---|
| Conductor's | Critical hits restore 5% of health & AP for player and teammates within 50ft | 5 Pure Crimson Flux |
| Encircler's | +10% damage for each combat target around you (up to +50%) | 1 Overdrive |
| Fracturer's | When crippling limbs, they explode and deal up to 50 explosive damage to nearby targets | 25 Gunpowder |
| Pyromaniac's | When a combat target is burning, deal +50% bonus damage | 15 Asbestos |
| Viper's | When a combat target is poisoned, deal +50% bonus damage | 15 Acid |

4-star legendary mods are a great way to enhance your gear and take on tougher challenges in the Wasteland. While they require rare materials and resources, the powerful bonuses they offer are well worth the investment. Whether you're crafting for yourself or trading with others, these mods can greatly increase the value of your Fallout 76 items—and even help you earn more Fallout 76 caps in the process.