My friend and I found this glitch the other day and I wanted to post it. Sorry If this is a repost, but I looked and found no other post like this.
Before one of the patches, there used to be a shed in the alliance base in arathi basin. They took the shed out, but left the walls and structure of the shed still there, which created and invisible room. This can be very annoying to people, as they will see you, but every time they try to attack you, it'll say they're not in line of sight, and melee can't get through the wall without knowing. It is very unnoticeable, so most of the time they'll be confused.
Here's how you get into the invisible room:
The room is located here:
Me looking at the invisible room (of course you can't see it, its invisible :P)
How to get in:
Go to the corner of the base, and run behind and around this bush like this:
Once you get around the bush, run straight towards the graveyard
You will be stopped. By what? The invisible wall!
Now you can have fun torturing the alliance that can't find a way to get in. Dance, send your pet out to attack them, be creative!
To get out, just run back around the bush the same way you came in. Have fun!