Grenade Logic
Calibrate data and defeat targets while using Ex Diris. Calibration occurs when you complete Vanguard Operations, Gambit and Crucible matches, or Seasonal playlist activities.
Higher-tier Nightfall completions, Crucible and Gambit wins, and defeating Guardians provide additional progress.
"A weapon like that craves death. Be sure to keep it pointed at the bad guys." —Banshee-44