A New Jagged Purpose is a quest step in Destiny 2: Black Armory.
Part of the The Damnation Quest.
"The artifact was a part of a Hive ritual tied to their efforts to perfect the Weapons of Sorrow. But that helm you found? Only one thing can cut through We may be too late. New weapons may be already be in play." - The Drifter
You found a Guardian's helmet penetrated by a unique bullet.
- Drifter visited
- Travel back to the Tower and make your way to the Drifter.
- Talk with him to move things to the next step of the quest.
- The end reward of the quest chain is The Last Word.