Speculation: Students of Badesion = Warriors of Darkness

[Vespar]

What if the Warriors of Darkness are the Students of Baldesion?
If you recall a few patches ago, the "Isle of Val" which was the HQ for the Students of Baldesion, vanished into thin air by some magic akin to Ultima/Meteor, leaving only one survivor named "Krile" who has been unconscious and now largely forgotten as the story led us to Ishgard. It's possible the lalafell in the yellow cat-eared garb in 3.1's trailer, is Krile.

If the Warriors of Darkness (aka, the Warriors of Light from 1.0/2.0's opening CG's) are indeed the Students of Baldesion, they likely were turned dark when the Isle of Val vanished. It is likely the ascians who took/destroyed it. The previously named warriors of Light turned Dark, may have been tainted, tempered or possesed somehow by ascians or the being they worship, "Zodiark" in a similar fashion to our story with Hydaelyn, or Thancred's posession by Lahabrea.

Anyways, this is all just speculation on my part. We shall see how the main scenario unfolds