This guide is made by Therick on d3scene Here is the OP: www. d3scene .com/forum/wow-exploits/13504-how-get-karazhan-without-anyone-needing-have-key.html
Im not usually one to do the whole copy and paste thing but I find this could be useful for new guilds (such as mine) who are just starting kara and dont have the key.
Right so in patch 2.4 blizzard removed the attunment reqireemnt for Karazhan, BUT someone in the raid Still need the key to open the gate!
This is a way that you will not need the key for to open the gate if none in your raid got it!
(Performed at a live server in 2.4.1)
Step 1, Walk behind Karazhan:
Step 2, Go to the place where all the rocks are:
Step 3, Walk up the rocks hugging against the wall till you see a small hole in the corner:
Step 4, Laugh at the Game Editor's Smiley!:
Step 5, Walk up the hill where you see the Green Portal:
Step 6, Walk further up the hill and up jump up in the portal, If you are level 70 and in a raid group you will enter the instace:
(Sorry if there is too many pics)
This guide is made by Therick on d3scene
Good luck in karazhan!