O Daughter of Babylon

O Daughter of Babylon is both a challenge and an achievement/trophy for the Fallout: New Vegas add-on, Honest Hearts.

Requirements
Complete the quest Crush the White Legs.

Behind the scenes
This achievement/trophy references the 137th Psalm of the Bible, verse 8: "O Daughter of Babylon, who art to be destroyed, happy shall he be that rewardeth thee as thou hast served us", which Joshua Graham quotes along with verse 1, 7, and 9 at the Courier as he reveals his intention to eradicate the White Legs.