Reins of the Albino Drake

Source
Albino Drake is a swift flying mount, and the reward for the Leading the Cavalry achievement.

Mount Journal
"Even the Draconic Native Association tests proved inconclusive in determining if the albino drake is related to a known dragonflight. -Breanni"

Letter
The drake and the following letter from Mei Francis are immediately sent to players who complete the achievement:

Speculation
There has been some speculation that, due to the tinges of blue on various parts of its body, the Albino Drakes could have been some sort of creation of the Azure Dragonflight. Others have speculated that hey are focus of an unformed dragonflight, with very few individuals to form one. More likely, as the name implies, they are simply normal drakes with.