A Slave Obeys

A Slave Obeys is a challenge added in the Fallout: New Vegas add-on Gun Runners' Arsenal.

Obtaining
To complete it, you must kill Mr. House with a 9 iron or Nephi's Golf Driver.

Behind the scenes

 * The name of the challenge is a reference to BioShock, where the player character is ordered by Andrew Ryan to kill him with a golf club. Before handing you the golf club, Ryan says, "A man chooses, a slave obeys." He repeats this several as the player beats him to death, at Ryan's own command.
 * The characters of Andrew Ryan and Mr. House were both based on Howard Hughes.