As i promised in the thread about a hidden zone in karazhan i would make a video about how to get out of kara.
So here it is
You can do this with every char (afaik, only tried on hunter but without any special hunter abilitys).
I use my pet in a certain situation, but that is just to get the jump to be perfect.
If you follow the video and how i jump you can do it very easily!
[ame="http://video.google.com/videoplay?docid=-4255558223188973992&hl=en"]How to get out of Karazhan while its instanced. 2.3![/ame]
I didnt really take much time in making it, but it shows what is needed.
Happy exploring