This is how to enable the Black Edition and UPlay content
Download the file below
http://cs.rin.ru/forum/download/file.php?id=10290&sid=9ba33727927ada64eb28d08f8282811a
Extract the 2.save and 2.save.metadata files to your save directory (eg. C:\Program Files\Ubisoft\Ubisoft Game Launcher\storage\MTInGHW=\4)
READ THIS POST to determine which files (the 1. or the 2.) you need to overwrite
http://cs.rin.ru/forum/viewtopic.php?p=676437#p676437
Make sure you are using the latest values by 3xistence.
http://cs.rin.ru/forum/download/file.php?id=10270
The three Templar lairs, Villa Assassin Crypt and Altair Costume should all now work.
If they don't, make sure to download the latest version of the offline server, 0.44.
http://www.megaupload.com/?d=AOX2WGXQ
Dormine, can you include the above files in the next server release so it all comes in one package?
EDIT
Extra large knife belt works as well. You have to buy the extra knives from a blacksmith after getting the belt.