Batman Arkham Knight Guide Gameplay Walkthrough How to Safely Explore the ACE Chemicals Vents, Rescue the Hostage and More

Now that you’re in the heart of the ACE chemicals plant, go west and proceed into the control room. There’s a lot going on in the next room, but they are preoccupied and won’t notice you. To get to their position, find the air vent and grapple your way up.