http://www.wowhead.com/achievement=1005/know-thy-enemy
just wondering
http://www.wowhead.com/achievement=1005/know-thy-enemy
just wondering
If you look at the MoP version, it says that you need a killing blow on 7 different races. The Pandaren aren't in the list, but the description kinda says they should be.
Either way, I see no reason they wouldn't be added.