Firefly

Firefly is an achievement in Halo: The Master Chief Collection. This achievement is obtained by killing a Drone with a Flame grenade on the level Data Hive.

Trivia

 * The achievement's name is a reference to the Firefly TV series, where Nathan Fillion, Alan Tudyk, and Adam Baldwin (Edward Buck, Michael Crespo, and Taylor Miles voice actors, respectively) worked together.