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Image of the duct I'm trying to get onto

I'm in the flooded corridor, and I've no idea how to get onto that duct. I'm playing it on PC.


To get a better picture at where I am, please follow this link. That page contains the following paragraph:

The Abandoned Chamber can be confused, so follow these directions: From the entrance, head left, jump the gap, then proceed down the staircase (into the central structure), then up another set. Jump the gap and proceed through the door. Climb the ledges within, then grapple into the vent overhead.

I'm in the exact position (in the picture above) where I'm supposed to "grapple into the vent overhead." But that vent can't be grappled! And it is too high to be climbed. That's why I'm stuck.

share|improve this question
It would help if you give a little more information about where you are, that image doesn't have any distinct feature. Also, I'm assuming just using the grappling hook didn't help? – Oak Feb 4 '11 at 9:01
yea, looks like something you can just grappling up to – z ' Feb 4 '11 at 12:24
@Oak, @yx01: please see my edit. – Donotalo Feb 4 '11 at 15:02
up vote 4 down vote accepted

This video shows how to grapple up to that vent. (Jump to the 4'20" mark to avoid seeing a couple Riddler challenge solutions.) Sometimes Batman's grapple gun can be kind of finicky, so try a bunch of different spots.

If that doesn't work, make sure you're using a legal copy of the game. According to this thread on Eidos' forums, it looks like the designers created intentional glitches in the game to combat piracy. These glitches go away when the game is licensed.

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thanks for the video. it shows to grapple on the ledge. but the game doesn't allow me to grapple there. i'm playing on PC and that video was probably for PS3. why does they behave differently? – Donotalo Feb 4 '11 at 16:51
I'm assuming you've tried standing in a bunch of different place. Sometimes you have to be in a very specific spot for the grapple to work. – splattered bits Feb 4 '11 at 17:09
@splattered bits: couldn't find such place. :( – Donotalo Feb 5 '11 at 7:40
@Donotalo Hmmm. Could be a bug/glitch. Does the PC version let you download any updates or patches? – splattered bits Feb 5 '11 at 15:49
@Donotalo This Gamespot thread suggests that it may be a "feature" in pirated copies of the game. – splattered bits Feb 5 '11 at 15:55

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