Reading the lore in dungeons

[Frederick22]

Dalamud debris, close proximity to Axys Lla or artifacts leftover from Attempts of the Allag to do to Dravania what they did to Meracidya are the most likely reasons

You need to consider that non of the new areas of the expansion was touched by Dalamuh's fall. Also Azys la is reallt far away from the Aery.
If the allagans wanted something with dravania they would have done it thousand of years ago. I think you are mistaken.