Dust and Echoes (achievement)

Dust and Echoes is an achievement in Halo: Reach and Halo: The Master Chief Collection. It is awarded for completing the campaign level New Alexandria on Normal or higher.

Trivia

 * The achievement's name is a reference to a quote by Cortana in the final cinematic of Halo: Combat Evolved, after scanning for survivors of Installation 04's destruction; "Just... dust and echoes. We're all that's left".
 * "Dust and Echoes" is also a track from the Halo: Original Soundtrack, by Martin O'Donnell and Michael Salvatori.