Summon forth your adamantoise mount. He(?) is actually quite faster than he appears.
Native to the Near Eastern island of Thavnair, adamantoises were long thought to be impossible to domesticate. However, through the efforts of both Ul'dahn naturalists and thaumaturges, a handful have been successfully trained not only to accept riders, but also wield ancient magicks which allow the colossal scalekin to fly.
How to obtain:
Gold Saucer -- 200,000 MGP