Lagrangian Sight is an intrinsic in Destiny 2 that can appear on 1 weapon.
What Lagrangian Sight does
This weapon marks targets with an automated targeting system. Final blows on marked targets generate a telemetry pattern. Collecting a telemetry pattern grants ammo to this weapon. Collecting 3 telemetry patterns without dying grants this weapon bonus damage for a long duration and refills the magazine.
