From Destiny 2 Wiki
|Exotic Weapon||Graviton Lance|
|Description||Kills with this weapon cause enemy targets to detonate and spawn Void projectiles that track targets.|
Striking a final blow with this weapon will cause the target to explode, dealing damage and spawning two sub-munitions that home in on nearby targets. A sub-munition will explode upon target collision or after 2.08s, dealing damage.