Looks more like a new druid flight form to me.
FFXIV: Rintha Elenah | WoW: Rinth | GW2: Reno Turan
http://media-azeroth.cursecdn.com/wo...rnautmount.jpg
Could possibly be the Heroic Garrosh mount.
Although it could also be a rare drop off the Iron Juggernaut.
FFXIV: Rintha Elenah | WoW: Rinth | GW2: Reno Turan
I would be upset if it was the heroic garrosh mount. It looks too similar to the guild mount.
There's a thread discussing this mount here:
http://www.mmo-champion.com/threads/...ing-Raven-Lord