Perhaps you will be interested
The Reins of the Thundering Cobalt Cloud Serpent are a very rare drop from Nalak , a world boss cloud serpent on the Isle of Thunder. Nalak is made available once the realm has completed The Fall of Shan Bu portion of the Isle of Thunder storyline. It also has a chance to be listed on the Black Market Auction House.
Here you can buy Thundering Cobalt Cloud Serpent for EU or US Servers.
You'll get guide for getting Thundering Cobalt Cloud Serpent
You'll be able to get Thundering Cobalt Cloud Serpent
Thundering Cobalt Cloud Serpent mount
After patch 10.2 might will need character transfer for access to BMAH