Quote Originally Posted by treuhavik View Post
Unknown Ascian #2

This Ascian (who I’m naming Loghrif, the Transcendent) taught Tristan Nightflicker, a dark Summoner, to summon Belias-Egi during the Summoner storyline. No name or glyph is seen here, though I’d like to think there’s some connection between the Egi and the keeper of its knowledge. Both Belias from XII and Belias-Egi in XIV use the ability “Painflare”.
I might as well take the opportunity to point out that you've guessed wrong above. The Ascian involved in the summoner storyline is nameless. Or rather, he's known only as the Ascian of the Twelfth Chalice, and he's one of Lahabrea's servants, along with the Ascians of the Twelfth Staff, the Twelfth Sword and the Twelfth Pentacle.

We first met the Twelfth Sword and Twelfth Staff way back in story-mode Haukke Manor, when they openly told the WoL that they were merely there "to take the measure" of his/her strength for Lahabrea.

All four servants would turn up in the Heavensward summoner storyline.

More importantly, during the storyline, Y'mhitra deduced that the black-masked Ascians belonged to a lower-tier of Paragons, and were more vulnerable to destruction than their red-veiled masters.

Quote Originally Posted by Y'mhitra
According to the Scions and their research, the Paragons are effectively immortal. They are said to be aetherial entitities with no physical form of their own, instead possessing mortal host after mortal host in an endless procession down the ages...

But once [the WoL] acquired the Dreadwyrm Trance, the haste with which the Ascian (of the Twelfth Chalice) withdrew did not seem to me the action of a being who harbours no fear of death.

Thus do I pose the question: Could it be that the Twelfth Chalice and his black-masked brethen are not as practiced in the art of possession as their red-veiled masters?

At the time of the battle, our bodies were the only available hosts nearby. Assuming that he also lacks his superiors' facility to flee to the space betwixt worlds, I suspect that our foe's sudden cowardice stemmed from an inability to force his soul into our living vessels.

...if we are able to lure the Twelfth Chalice to a location devoid of potential hosts, then we might succeed in destroying him for good...
Suffice to say that, by the end of the Heavensward summoner quest line, there's another very clear reason for Elidibus to be wary of the WoL's growing power.