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For the female player character equivalent perk, see Black Widow.


Lady Killer is a perk for male player characters in Fallout 3, Fallout: New Vegas and Fallout 4.

Fallout 3 and Fallout: New Vegas

In combat, you do +10% damage against female opponents. Outside of combat, you'll sometimes have access to unique dialogue options when dealing with the opposite sex.— In-game description

In combat, the player character does +10% damage against opponents of the opposite sex. Outside of combat, one sometimes has access to unique dialogue options when dealing with the opposite sex, similar to the Sex Appeal trait. In Fallout: New Vegas, it is complemented by the Confirmed Bachelor perk.

Additional dialogue options

Fallout 3

  • Nova in Megaton will provide the Lone Wanderer with the password to Moriarty's terminal.
  • Brianna in the Blood Ties quest will provide the player character with the password to Ian West's cell.
  • One can talk the AntAgonizer into stopping her attacks on the town and ending her feud with The Mechanist. The Lone Wanderer also gets her costume.
  • One can talk Fantasia into stealing Dukov's key for the quest You Gotta Shoot 'Em in the Head. It is possible to do this without the perk though, but Lady Killer eliminates the possibility of a Speech check failure.
  • One can talk Agatha into giving them the key to her ammunition box to help the Lone Wanderer during the quest Agatha's Song.
  • In Operation: Anchorage, one can calm Specialist Olin down and get more detailed information on questions. Also, the conversation will not end after each question.
  • In The Pitt, Vikia will prove to be immune to the perk and will mock women who are manipulated by it. She goes on to say that she wouldn't sleep with the player character, no matter how impressive he is.

Fallout: New Vegas

Fallout 4

Come into my parlor," said the Black Widow. You're charming... and dangerous to those of the opposite sex. Though the gender of the Commonwealth's population is about evenly split, this perk won't affect those sporting a similar undercarriage to you. Don't forget the Intimidation perk; both of these perks in unison allows almost any situation to be handled your way, without (or with) violence.Fallout 4 Vault Dweller's Survival Guide description

Just as before, Lady Killer offers bonus damage against women. However, it does not confer any additional speech options due to a refurbishment of the dialogue system, and instead makes them easier to persuade in dialogue or be pacified via the Intimidation perk.

Rank Requirements Description Base ID
1 CH 2 You're charming... and dangerous. Women suffer +5% damage in combat, and are easier to persuade in dialogue. 00019AA3
2 CH 2, LVL 7 Women now suffer +10% damage in combat, and are even easier to persuade in dialogue. They are also easier to pacify with the Intimidation perk. 00065E33
3 CH 2, LVL 16 Women now suffer +15% damage in combat, and are much easier to persuade in dialogue. They are now even easier to pacify with the Intimidation perk. 00065E34


  • In Fallout 3, this perk does not carry over to super mutants, feral ghouls or swampfolk, as they are classed as creatures by the game, and therefore would not be subject to any gender-based effects.
  • In Fallout: New Vegas, dialogue choices from these associated perks do not count as speech successes.

Behind the scenes

The term "Lady Killer" is slang, dating back to the 19th century, referring to a man who is very popular and/or influential with women.


Icon pc.png In Fallout 4, due to several scripting typos, ranks 2 and 3 provide no actual benefit to pacification success rates with Intimidation.[verified]