Reposting here – a message from Lore – ATTENTION:
Those who were in the Firelands attempt and didn’t finish the raid – switch it to 25, then finish it. I just had the Ragnaros Mount – http://www.wowhead.com/…/item…/smoldering-egg-of-millagazor… – drop, and with how I understand loot tables work, will also drop for all of you.
Please proceed and let me know if you find it.