Quote Originally Posted by ColdestHeaven View Post
While the technique Dragonfire Dive and the Drachen Mail do share the same cause -which would be the Dragon Eye recognizing your valor, thus bestowing its power upon you once you best Estinien- they are independent. The Drachen Mail was not given to you because you were not ready yet to acquire it, and the moment you were ready to wear it happened to be the very same moment you were ready to master this technique.

In "monk stories" (not FFXIV monk storyline specifically) it is not hard to imagine at least one in which the master teaches a pinnacle technique to his pupil - and when the pupil masters it, he is deemed worthy to wear some sort of bandana or belt.
Kinda the same idea I had for the Draken mail and Dragonfire Dive. It's pretty much coincidence that the player gets both things at the same time. I digress though.