This is a vast and large location where you have to solve a lot of riddles.
Many of them have to be solved in the Batmobile.
Leave the police department and go to theabandoned shopping mallthat can be found near theRyker Heightsdistrict.
Stop near the shopping mall.
Access inside will be blocked by shutters.
Use thedetective modeto find an interactive hatch leading to the sewers.
In the sewers, stop at the place where electrical lightning can be seen.
Select theelectrical chargefrom the inventory and shoot it at the generator.
It will turn it off (there are two charge types so pick the correct one).
Luckily, you won’t have to fight them.
Pick thevoice synthesizerand order one of the enemies to push the button responsible for spreading the shutters.
Now use theBatmobile remote controland eliminate all enemies with your vehicle.
Leave the ventilation shaft once you secure the territory.
Find the fuse box and, after interacting with it, walk to theelevator shaft.
Your first task in the large shaft is deactivating the first of two huge ventilators.
Activate theremote Batmobile controland stop the vehicle in such position that you will see the unlocked elevator shaft.
Use the60mm cannonin order to destroy the large wall in the glass.
Go back to controlling Batman and use thegrappling hookto reach the newly unlocked ledge.
There you will find a fuse box.
Again use theBatmobile remote control.
Drive the vehicle to the building and look around for the interactive hook on the ceiling.
You shouldn’t pull out the hook.
Instead, you should use it to safely lower the Batmobile in the shaft.
It’s on the highest level of the elevator shaft.
Once you get there, pick theelectric chargeand aim at the generator that can be found there.
It will lead to overloading it.
The generator will explode and due to that action first of two large fans will deactivate.

Go back to controlling the Batmobile that should still be hanging in the shaft.
Use the60mm cannonto destroy it, wait until someenemiesappear there and attack them as well.
Then, use thegrappling hookand gliding to reach the new hole as Batman.
There you must find the upper ledge to which you’re able to get by using thegrappling hook.
There you will find a small elevator that is out of order.
Pick theelectric chargefrom the inventory and target the elevator generator to make it activate it.
Use the new entrance to reach the room where you will faceenemies with tasersfor the first time.
Each stunned enemy can be then easily finished.
Once the battles end, use the nearby switch that unlocks access to the main shaft.
Temporary ignore the main shaft and go to the eastern corridor.
Use thegrappling hookand get to the place where fourbanditscan be found.
Reach the new switch and then walk into another inactive elevator.
As before, start with getting it as far below as possible with theelectric charge.
Notice that you could climb on the side ledge.
After lowering the elevator, aim at the elevator from distance and use theelectric chargeto send it back up.
Now you might jump back to the shaft and find the ventilation hatch in its lower part.
Manybanditscan be found in the new room.
Move through the upper ledges until you get to the back of the stage.
Only after that you should jump down.
Walk towards the screen and, once you position yourself precisely behind bandits' leader, press thetakedownbutton/key.
It will allow you to disarm the bomb and, obviously, will start another battle.
During the battle you must especially watch out for another group ofenemies with tasers.
Useelectric chargeon them so you can avoid unnecessary damage.
Additionally, similarly to other battles, make a run at stun twomedicsas quickly as possible.
Once the battle is over, find the fuse box and enter the new corridor.
Once you win the battle, find the fuse box and enter the new corridor.
Soon you will reach the lowest level of the main shaft.
While still controlling Batman, check the western corridor.
A generator can be found there that is powering the second fan.
Just as before, you must overload the generator and make it explode.
To do it, you need theelectric charge.
Remain in the room with the destroyed generator and activate theBatmobile remote control.
You must get the vehicle to the bottom.
Once you reach the large platform, unhook the winch.
Now target one of the side hooks and turn the reverse gear.
You must gradually lower the large platform.
Keep doing it until it reaches the bottom.
Switch to Batman and go back to the large shaft.
Use your vehicle to destroy the weakened wall that can be found slightly above.
Once again you must use thewinchon one of the hooks.
Your objective is to allow the Batmobile to ride through the hole created after destroying the weakened wall.
It will let you reach thedrilled tunnels.
Listen to the conversation withAlfred, use the fuse box and enter the tunnels.
Soon you will have to once more faceArkham Knightwho took control of a largedrilling machine.
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