Seems to be a lot of these threads... Since I just answered one of these about 10 mins ago I'll just copy paste the other reply
Here is one, I used it awhile ago and I just tested it for 2.4.3.
patch-3.MPQ will remove the clipping of Strat, so you can walk underground to barons room, watch the minimap, once you get to barons room jump through the south wall or walk up the stairs into barons room, though you may aggro the abominations if you use the stairs.
patch-4.MPQ will remove the doors, also tested this for 2.4.3.
I
DID NOT make the underground path, It was uploaded ages ago and I can't remember who from.
http://www.mmowned.com/forums/model-...n-2-4-3-a.html
Download
RapidShare: Easy Filehosting