This torrent has the original world of warcraft game. It also has a expansion installer which downloads and install all the expansions from the game. Thats why this torrent is smaller then the others. You download the expansions from blizz so it goes alot faster then if I just included into this torrent.
You can also play on a free wow server with this torrent. It includes a file called oblivion launcher so once you install the game and patched it just put the file in your wow folder and run it. Just make a account on the website, and you are good to go. Just click on the "launch wow " button on the oblivion launcher. There a how to install txt in this torrent which has directions more in detail
There is 2 server one normal other high rate
both have wotlk. most of the monsters and bosses have ai like on the real server. Also custom stuff like player bots which you control your other chars as a pet.