This walkthrough covers the Destiny 2 Symphony of Death quest and how to get the Deathbringer on all platforms. To attempt this side quest, you will need the Shadowkeep DLC expansion set.
Destiny 2: How to Get the DEATHBRINGER! – Exotic Quest Guide
Before you can start the Symphony of Death mission, you'll need to complete a few other objectives:
Complete all main Shadowkeep campaign missions, then speak to Eris Morn at the shrine to collect the Memory of Sai Mota.
Talk to Eris again and accept the Lunar Spelunker reward.
