Chests can contain engrams, they can drop from enemies, and you get the most powerful ones by completing milestones each week.
Cavern of Souls - Look for a building on a hill in the middle of the area.
Complete this quest to unlock a legendary shotgun called Perfect Paradox.
The Pit - Head to the main hangar of Firebase Hades.
These codes, unlocks and exploits work regardless of whether you're playing.
On the north side of the base, look for a corridor under the ramp.This will take you to the Lost Sector.Complete once of the heroic adventures to receive the Lost Prophet reward from Vance.Up to 90 off with GOG Weekly Sale.Unlock the heroic version of the adventures by talking to Brother Vance.Talk to Ikora at the Tower.The Lighthouse (Social Space) Purchase and install the Curse of Osiris DLC.It's also a great way to get gear, but only if you can trigger heroic events.CodesPK shows expired vouchers as some offers may still work beyond the expiration date.Subscribe here, if that seems like your kind of thing.
Strider's Slash Complete an Arcstrider Hunter subtree.