...And Know Disintegrations

 is a challenge in Fallout: New Vegas.

Effects
Gives 75 XP, but adds no perk.

Requirements
Disintegrate 32 enemies with laser weapons.

Behind the Scenes
The name is a reference to Star Wars: The Empire Strikes Back, when Darth Vader tells Boba Fett "...and no disintegrations" when trying to capture Han Solo.