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Companion Perks
Each Fallout 4 Companion offers special Companion Perks to players who journey alongside them. Companion Perks allow players to gain special abilities by maxing out relationship levels with Companions, typically through performing actions that Companion appreciates, through Companion Quests, and sometimes through pursuing a romantic relationship.
All Companion Perks
| Companion | Perk | Effect |
|---|---|---|
| Preston Garvey | United We Stand | +20% Damage and +20 damage Resistance against 3+ opponents |
| Codsworth | Robot Sympathy | +10 Damage resistance vs. Robotic Energy Weapons |
| MacCready | Killshot | +20% V.A.T.S headshot accuracy in theory, in reality much higher |
| Cait | Trigger Rush | Regenerate Action Points more quickly if health drops below 25% |
| Strong | Berserk | +20% Weapon Damage after dropping below 25% health |
| Deacon | Cloak & Dagger | +20% Sneak Attack damage, +40% Stealth Boy duration |
| Danse | Know Your Enemy | +20% Damage against Feral Ghouls, Super Mutants, Synths |
| Piper | Gift of Gab | Gain x2 XP for conversations and location discovery |
| Hancock | Isodoped | Gain 20% Damage when your rads are at 250 or more |
| Nick Valentine | Close to Metal | Gain 50% faster terminal cooldown and an extra guess when hacking terminals |
| Curie | Combat Medic | Once per 24 hours if you fall below 10% health you gain 100 HP |
| X6-88 | Shield Harmonics | +20 Energy Resistance |
The Best Companion Perk
While all Companion Perks are useful in some circumstances, it's hard to argue with McCready's incredible Killshot bonus in V.A.T.S, which requires no special conditions to activate. Not only is the Perk useful, but a bug with McCready's power that frequently bolsters ALL headshots to 95% probability greatly increases a player's potential lethality.
To get McCready's appreciation, you'll need to make decisions that make him happy. He likes violence and loves watching you steal and break into locked areas, but he's not a big fan of cruel behavior or attacks on the innocent. Keep talking with him as you adventure. Eventually, he'll ask for help with a couple of things and your relationship will max out.
Preston's ability is very helpful against enemy mobs, and Deacon and Danse's bonuses are always useful. Curie's healing ability can rescue you from a tight spot, and X6-88's extra defense never hurts.
