Calibrate data and defeat targets while using Trespasser.
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.
"What's this?" Banshee looks the weapon over for a few seconds without familiarity.
"It just needs calibration, not a smith. Take it out into the field and run the numbers."