Batman: Arkham Knight Line of Duty guide - find all 16 firefighters
Batman: Arkham Knight players who complete the Line of Duty side quest score 18 upgrades and an achievement.
To complete Line of Duty, Arkham Knight players need to locate 16 firefighters. It's well worth the effort, but tracking them down can be a pain.
In the video below, Arekkz guides you to each and every one. Thank you, sir.