Echoes of the Past
From Destinypedia, the Destiny wiki
Echoes of the Past is a Quest in Destiny Rise of Iron, which starts the Quest Beauty in Destruction and awards the Guardian with the Year 3 Gjallarhorn on completion. It is obtained by Lord Saladin at the Iron Temple during the main Rise of Iron Quest.
Part 1: Await the Call
Finish the Rise of Iron campaign.
Part 2: Patrol the Plaguelands