Learn all powerful guns in Fallout 4 with our comprehensive Legendary Weapon Perks (Effects) and unique weapons lists.

In games like Fallout 4, weapons are crucial to your character’s strength and survival in the post-apocalyptic world. Legendary weapons, in particular, are highly sought after due to their unique and powerful effects. While some of these weapons, also called “unique weapons”, have specific names and obtaining methods, such as purchasing from vendors or quest rewards, most legendary weapons spawn randomly with different legendary effects (perks) each time. It’s worth noting that while legendary weapons cannot be scrapped, they can be modified to fit your needs.

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The exact mechanics of legendary enemy spawns and the likelihood of obtaining legendary weapons or gear in Fallout 4 remain somewhat mysterious. However, it is known that the difficulty level and the number of legendary enemies you have defeated, which can be tracked in your Pip-Boy statistics menu, significantly influence the process. This guide lists and discusses all legendary effects in Fallout 4, including unique weapon perks.

How to Get Legendary Weapons

You can exploit the game’s spawning mechanics to maximize your chances of obtaining weapons with legendary effects (perks). The game first decides if the next group of enemies will spawn a legendary enemy with a potential legendary perk (effect) applied to the weapon or armor. Next, the exact item is randomized, and at the end, the exact perk the weapon or armor will have. As a result, if you know when precisely those decision points are, you can easily farm legendary perks in Fallout 4. Players discovered two such spots, which we described in detail in ourFallout 4: How to Farm Legendary Perks guide.

Here are two effective spots to farm Legendary Weapon Perks (Effects):

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Legendary Weapon Perks (Effects) List in Fallout 4

There are 49 different legendary effects (perks) can be applied randomly to weapons in Fallout 4. Below are all of them

Assassin’s

Berserker’s

Blazing (Far Harbor)

Cavalier’s

Charged (Far Harbor)

Deadeye (Far Harbor)

Defiant (Far Harbor)

Duelist’s (Far Harbor)

Exterminator’s

Frigid (Far Harbor)

Ghoul Slayer’s

Hitman’s (Far Harbor)

Incendiary

Instigating

Irradiated

Kneecapper

Mutant Slayer’s

Never Ending

Penetrating

Plasma Infused

Poisoner’s

Powerful / Mighty

Relentless

Resilient (Far Harbor)

Resolute (Far Harbor)

Sentinel’s

Staggering

Steadfast (Far Harbor)

Troubleshooter’s

VATS Enhanced

Unique (Legendary) Weapons in Fallout 4

Unique weapons also have legendary perks; some of those legendary effects are only available on those named guns and cannot be obtained by random spawn. The most common ways to get them are through quest rewards, vendors, or specific chests scattered around the Fallout 4 world. All those weapons can also be obtained by console cheats.

Atom’s Judgement (Far Harbor)

Charging (Automatron)

Grognak’s Axe

Lucky Eddy (Far Harbor)

Lightning (Automatron)

Lorenzo’s Artifact Gun

M4 Carbine (Far Harbor)

Kremvh’s Tooth

Shem Drowne Sword

Striker (Far Harbor)

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Fallout 4 - All Legendary Weapon Perks (Effects) - FO4