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7. MISSION 6: THE NARROWS
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You're now midway through the game, and they're giving you a breather
with this cool level. It's relatively short and can be completed in 
less than half an hour if done right and quickly, so let's get 
started.

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a. Access the Archive Warehouse
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You begin the level facing two windows. Walk up the stairs to get 
closer to the windows. You will notice that the one of the left is 
broken. Don't go in yet though. Position yourself in between the two
windows, behind the walls, and spy on two thugs in the room. There's 
one with his back facing you, and there's one walking towards the one 
facing you. 

Wait until the one walking towards the other to turn back before 
jumping in to perform a stealth kill on the one facing you. This will
alert the other, so put him down too.

Look around the left and right corners of the room now to find pipes 
for you to climb out. The pipe on the left has some debris, so if 
you choose to use this pipe, hit the debris away with your Batarang
before climbing up. If you choose to use the pipe on the right, you 
can climb up straight away.

As you approach the top, you will gain access to a horizontal pipe.
Shimmy towards the centre of the pipe. The camera angle will adjust 
to show you a support cable to hit. The cable is actually holding on 
to the back of a plane. Apparently, this place used to be a museum, 
so expect to find some artefacts as you go along.

Anyway, hit the support cable with your Batarang to drop the back of 
the plane. Drop down from the pipe now, and walk up the tail of the
plane to its nose. You should now find a grappling point. Grapple to 
it,drop down and look up for another horizontal pipe. Hang onto it 
and climb all the way to the other side.

It's a long distance to climb, but eventually, you will reach above a 
bridge. If you're unsure, toggle your camera to see what's beneath 
you. Drop down to the bridge, and access the door to your left. 

After you enter this door, turn right, and you will hear some thugs
talking. There are four of them to take out, so go towards the area 
without handrails to find hanging lamps and a support chain opposite 
you. Glide to the first wire holding the lamp, then to the next one.
You should now be able to hit your Batarang at the support chain. Do 
it to trigger a cut-scene of a dinosaur crumbling down.

This will create fear in the thugs. One of them will be so scared 
that he will even run away from the fight eventually. You will find 
him later. Instead, concentrate on whoever are around and dispose them 
all, then look around to find a military crate that has some Smoke
Grenades.

Opposite the military crate is a door. Go through it and go down the 
stairs. Turn around to find the thug who escaped earlier. You can 
immediately finish him without even fighting him. Pansy.

Continue forward until you find some loose boards on the right wall.
Hit the boards off the wall with your Batarang, then climb through the
hole. You're now in the Archive Warehouse.

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b. Access the Roof
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Turn right next, and continue down the hall. You will pass through a 
door, but don't go in since there are armed thugs inside. Go all the 
way forward, then turn right to find some kerosene barrels. Don't hit 
them first. You should also find a grappling point here, so grapple
all the way up to the ceiling. 

If you need health, toggle your camera around to find a medical Kit 
on a platform. Glide to it to use, then grapple back to the ceiling. 
Now, look down to target at the kerosene barrels, then hit them with 
your Batarang. This will cause an explosion that scares the hell out 
of the thugs in the room that you didn't go in earlier. Drop down, 
run to the room and take all the thugs down.

Once done, look around for an elevator. Don't press the button outside
since the elevator is already here. Go in and use the button to go up.
Halfway through the journey, the elevator will break down. Press the 
button again to open the door, and you will see that the exit is 
half-blocked by a wall. Jump up above the wall to get out. There's 
a medical Kit just right of the elevator exit.

NOTE: You may want to use this kit later, after the next fight.

Keep left now as you find some crates. Two thugs will talk about a 
colleague who's turning insane. After they finish, go out and dispose
them. A military crate is here, and it has six Smoke Grenades. A sign 
of things to come, perhaps.

Now, go back to the elevator and use the medical Kit (if you haven't
earlier), then jump onto the elevator's roof. There's a ladder right 
in front of you, but it leads to nowhere. Instead, look to your left
for another ladder. This is the one that you should climb to go up. 
Once at the top of this ladder, jump into the opening.

From here, hug the right wall and spy on an armed thug to the right
of the hall. Wait for him to turn his back on you before stealth 
killing him. Continue down the hall to reach an opening. Jump through 
it to go outside. 

You are now on a fire escape. Go left and past a window. You may 
notice an armed thug by the window. Continue on the fire escape until 
it takes a left bend. You will reach an opened window. The same thug 
will come over here, then turn his back on you. Quickly jump in and 
stealth attack him. You can now grab and interrogate him. He will 
tell you about how to get to the Pilot, who has information about 
Dr. Crane. 

Look around to find the door in this room. Beside it is a platform. 
Jump onto it, then to the next one, and another one to reach the top.
Take a wide turn to find a gap on the right wall. Go through it.

You will now enter in context sensitive mode as you walk on a beam.
Walk straight, then turn left. Continue until you can grapple to a 
point. Do so, then drop down.

Look in front of you to find a metal chain holding a crate. Glide to
the chain, and you can now target, and hit a damaged support with 
your Batarang. This will again scare the thugs down below, so glide 
down and finish them off.

Look around now to find a hole in the wall. Jump through it, then go 
right to find a door. You will need to pick-lock this door to gain 
access. Once you enter this door, you will reach a checkpoint.

Continue down the hall until you can turn right to find a medical 
kit. Left to this kit are windows. You can see some thugs outside,
down below. You will need to find a way to scare them.

Continue down the hall until you hit a turn. After the turn, you will 
find a beam. Engage it in context sensitive mode and go to the other 
side. Exit this mode, and make a turn to the right to find a hole in 
the ground. Drop in.

From here so, exit the next room and look right for several windows 
with thugs inside. Quickly sneak past the first window, then hug the 
wall immediately. This is because a thug is at the second window, and 
if you just run through immediately, he will see you. Wait for this 
thug to walk to the right before running all the way to the end.

Here, you will find a ladder. Use it to go down. You will encounter a 
similar situation like the one you encountered during the start of 
this mission. Hide behind the walls and toggle your camera to spy on 
the armed thug. Once he goes to the left (it may take a while), jump 
in and do the stealth kill. 

A fence is inside this room. jump over it and you will find tons of 
kerosene barrels. Don't hit them though, but instead go into the 
nearby elevator and use the button inside to go up.

Once up, exit and walk forward to the wooden platform. You should now
be able to grapple. Do so to reach a higher platform, then drop down.
Turn around now and you can target the kerosene barrels. Hit them 
with your Batarang to trigger a superb cut-scene of the explosion 
and destruction. 

When you resume control, go right now to look down at the thugs. There 
are actually a higher and a lower area, each with two thugs to fight.
The higher platform is where you want to go, since the door to the 
next area is here. But the door is locked, and the thug with the key 
is at the lower area. Tough luck. 

Jump down to the bottom area first and take out the two thugs. The 
one with the key will be so scared that you can finish him immediately 
without fighting. Get the key, then turn around to find a military 
crate. This has a HF Transponder.

Beside this crate are some boxes, jump onto them, then onto the 
broken wall, then up to the higher platform. Be careful not to over-
jump or you will end up at the elevator area, and you can never get 
back. Once on the higher platform, finish off the other two thugs and
use the key on the door. You will reach a checkpoint now. As usual, 
save.

Go up the stairs all the way. Turn right next and go all the way to 
find a medical Kit. This one fills up all your health. Turn around 
now to find an access grate on the wall opposite the kit. Hit the 
grate with your Batarang, then jump into it and walk through.

You will now be in a room full of kerosene barrels again. Why did 
these people leave these dangerous stuff lying around? Anyway, to 
your left are three thugs on lower grounds. Don't fight them since
they are armed. Instead, just go straight from where you exited the 
grate and go out of the opened window. 

You are now on a fire escape. Go right to find a grapple point across
the street on the next building. Grapple towards it, and drop down to 
the fire escape there. Go right now to the end of the fire escaple, 
turn around to find the room with the barrels. Hit your Batarang first
at the windows, then at the barrels to cause another huge explosion.
Quickly glide towards this window to get back into the room, and 
go to where the thugs are and dispose them. One of them will drop a 
key. Take it. 

Exit this room via door, turn right and go straight to find another 
door. Use the key to open it, then enter to find a checkpoint.

Go up the stairs now to find a door, but don't open it. If you do it, 
the pilot will find you and your mission will fail immediately.
Instead, look to the right wall for another access grate. Hit it with 
your Batarang and go through to the outside.

I'm not entirely sure when, but the Access the Roof objective should
be over now.

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c. Disable the Helicopter
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You will now see some sort of large power engine in this area. An 
armed thug is behind this engine. Go right, then left, and hide close 
to the engine to spy on this thug. After a while, he will walk towards
your direction. Quickly run back to hide, then spy on him again by 
toggling your camera. He will walk back to the left, exposing his back. 
Run in and stealth kill him. 

To the right is a fence, and the bottom left of it is a hole. Walk 
through it to drop down onto a fire escape. Turn around to find a 
grappling point, so grapple towards it. Drop down onto another fire 
escape, then jump onto the boxes and then to a horizontal pipe. Climb
to your left as you admire the brilliant sequence of you sneaking 
directly below the pilot and some thugs while they haven't got a clue 
about what's going to happen.

Toggle your camera to find another fire escape beneath you. Drop down
to it. There will be an opened window to your right, so jump into it
in such a way that you do a double jump while in mid air to grab onto 
a horizontal pipe in this room. Shimmy left and right on this pipe 
to target two damaged girders and one scaffold support. Hittin them 
will trigger the cut-scene as the ceiling comes tumbling down, 
resulting in a hole in the ground of the roof. More on this later.

NOTE: If you didn't manage to grab onto the pipe, you can still access 
it by using the platforms in this room. Jump onto the lowest platform.
From here, jump to the higher one. Turn around and glide to the other
platform across the room. You can destroy the first damaged girder 
from here. Jump to the pipe now to hit the other two fixtures. This 
is a little troublesome though so try to do the "get to the pipe from 
the window" stunt right.

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d. Interrogate the Pilot
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With these fixtures destroyed, enjoy the cut-scene that has Batman
coming through the hole to the roof, and appearing like a demon to the 
pilot. When you resume control, dispose three unarmed thugs, then
go towards the pilot and interrogate him.

He will tell you about Crane, and about why he worked for Crane. You
promised to let him go, on condition that he brings you to Crane. He 
will accept the pact, and will quickly fly off in his helicopter.

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e. Follow the Helicopter Pilot
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As the helicopter take off, look up to find a grappling point on the 
helicopter itself. Grapple towards it and see another cool cut-scene
of the helicopter flying away wuth Batman grappling onto it.

The helicopter will arrive at Arkham Asylum. During the cut-scene,
you will also reach a checkpoint, so you may want to save when you 
resume controls. The next lap is easy. Just go down the stairs 
beside the parked helicopter, and you can see from a small screen on
the bottom right that a berserk inmate is attacking the pilot. Poor
dude. Looks like he can run, but he can't hide. 

Turn right at the foot of the stairs to find a pipe. Climb up to gain
access to some horizontal wires. Climb on the wires until you can 
grapple. Do so and you will find yourself grappling to right beside a 
flag pole. 

Drop down and finish off the berserk inmate. As you press the "Finish" 
option, a cut-scene will follow, as Batman holds up the inmate, and
told him to "Tell them Batman's coming", before throwing him down the
glass roof.

This ties in with the opening scene of Mission 1: Prologue, as the 
inmates falls and utters: "Batman's... coming..." before expiring.
Batman will then jump through the glass roof. What a cool way to tell 
a story! I'm truly, truly impressed.

You will unlock two Film Clips, four whopping Gallery of Fear 
characters and an Interview for your effort.