If you want to complete the Essence of Brutality, you need to find the Necromantic Strand. This guide on Where To Find Necromantic Strand In Destiny 2 will tell you exactly where you need to go to find the item you require so you can unlock the Loud Lullaby Hand Cannon weapon.
The Essence of Brutality is a story-related Essence. In order to unlock it, you must first enter the Pyramid after obtaining three pieces of the dream armor. Once you have completed the Pyramid, you are returned to The Moon. Upon finishing the quest, you receive the Essence of Brutality, with the following objectives:
- Activities Completed
- Hand Cannon Kills
- Necromantic Strand Found
Where To Find Necromantic Strand In Destiny 2
Head to this location on Archer’s Line. There is a small pathway you can take leading to the North East. A short distance down the path you’ll find a group of three enemies. Take a left here and enter the large structure. Follow the rooms for a few minutes until you reach this large room.
Once you reach this room head towards the center. As you get close, you will see an on-screen icon showing you where to find the Necromantic Strand.