The other night I decided to blitz through BRD since I had never actually completed the dungeon on any toon. Well it turns out I didn't have the shadow forge key. So I said Ok lets go get it (after clearing half the instance and realizing i killed the guy with the key already).

So after killing myself and getting the quest I head back in (reset the instance). While trying to avoid aggro on a pack of trash (why I don't know - I thought it would save time I guess), I managed to fall off a cliff and into a magma river. The upside is I found a shortcut to MC if you are not attuned and don't have the shadow forge key. Swim down the magma river stopping at the various rock outcroppings to regain health. You might be able to levitate over it, not sure though. Eventually you come to the bridge leading into MC and there is a path leading out of the river to the bridge.

"Great!" I thought," Now I can get attuned."...only I didn't have the quest. A quick magma bath later and I made another discovery - you can get the MC attunement quest while a ghost.

So short story long, a quick romp through BRD turned into an hour and a half slog through magma rivers and the afterlife, but I am now attuned. If I'm on when you guys run it, I'd like to see the content. I've never seen it and would like to before Cata changes things.