Ashes to Ashes

Ashes to Ashes is a Halo 4 achievement added with the Castle Map Pack. It is awarded when the player, in Castle DLC matchmaking, disintegrates 6 enemies using Forerunner weapons. It is represented by the image of a projectile disintegrating a Spartan.

Trivia

 * It is likely a reference to the religious phrase.
 * It is possible to unlock this achievement by using pulse grenades on dead opponents' bodies.