Walkthrough - Medical Facility - part 4 BAA Guide
Last update: 11 May 2016
Listen to a new radio conversation with Oracle and return to the Lower Corridor. Start moving north-west. Get ready, because one of the nearby doors will open and enemy units will appear near your position. Some of the thugs will be carrying melee weapons, so you'll have to use your cape attacks in order to prevent Batman from losing health.
Proceed towards the corridor where enemy units have appeared in the first place. Eventually you'll have to reach a staircase and use it to travel to an upper floor. Open a nearby door to go to Experimental Chamber. Keep heading forward, listening to an interesting conversation along the way. Once you're inside a small room choose a shaft located to your right.
You'll have to avoid being seen from now on, because otherwise you'll fail your primary objective. Thankfully it'll be easier than it sounds. Travel through two ventilation shaft and move the grating to exit the tunnel. The first guard is standing nearby and obviously you'll have to perform a silent takedown on him.
I would recommend moving left from here and neutralizing a guard patrolling the eastern section of this room. Once he's been dealt with return to the area where you've neutralized the first guard and wait for a new inmate to pass by your position. He'll appear on a lower platform (screenshot #2), so make sure he doesn't see you.
Head down and carefully approach your enemy. It would be a good idea to neutralize him before he gets closer to the second unconscious guard, because there's a slight chance he may find his body. There's only more opponent for you to take care of and he'll be standing close to the western wall. Head south once he's pacified.
Take your time to find a staircase leading to an upper floor. Eventually you should be able to come across a barrier. Look up and use your hook to grapple up to the roof area. Head on to your right and make a stop on the glass section of the roof. Pressing the stun button will allow you trigger a cut-scene during which you'll be presented with a new boss - Bane. The fight itself is going to take place in the Boiler Room.
Focus all of your efforts on finding a good spot, so you'll be standing in front of one of the walls of this room. Wait for Bane to start running towards your character and perform an action called Quick Batarang. This means you'll want to throw it without actually aiming the Batarang at the boss. Once Bane has been hit, evade his attack by jumping to the side.
If you've done everything according to the plan Bane will hit the wall and that will stun him for a few seconds. Use this opportunity to approach him and to throw several punches at him. Don't stay close too him for too long, because otherwise he'll fight back. If you punch him sufficient number of times you'll trigger a short cut-scene showing that Batman has ripped off a part of Bane's armor.
Sadly Joker will soon interfere, sending his goons to kill you. It would be a good idea to switch your attention to them, however you'll have to avoid Bane's attacks at the same time. You can also use him to your advantage by allowing him to stun other inmates while running towards Batman.
Once you've eliminated all of Joker's men you will be allowed to continue attacking Bane. Just as before, use Batarangs to stun him and afterwards punch him a few times. You will have to rip off three pipes from his armor to succeed. Once you've won you'll be rewarded with a cut-scene and you'll be transported back to Arkham West.