How to play the new server Onyxiya ? which expansion to downlaod and from where

How to play the new server Onyxiya ? which expansion to downlaod and from where

https://www.warmane.com/download

Wrath of the Lich King client.

For the download link to work, you need a torrent client, there's a link above 'DOWNLOAD' for bittorrent. Alternatively use other torrent client of your choice.