Note:At the time of the OP post of this thread I've just finished all of Heavensward MSQs so please try to keep Stormblood spoilers at minimum if possible.
As much as I love the lore for Final Fantasy XIV so far,the ascians in particular.....are kind of my least favorite aspect of it.
To start positively,gameplay-wise,they offer some of the best boss fights/trials in the game as I loved all the battles they offered (minus the first Lahabrea battle in ARR's pretorium which was fairly easy).
It's the way they've been implemented so far that leaves me a little confused.
I know their goal is instruct Beast tribes and Eorzeans alike to summon primals which in turn drains more aether from Hydaelyn,weakening the mother crystal in the process which would hasten the summoning of their god Zodiark........but that's about all they do and in some cases it also defines the personality of each Ascians save for maybe Elidibus who seems a bit of an enigma so far from what I've seen
They feel very secondary especially in comparison to the Garlean Empire heck Lahabrea,the self-proclaimed leader of the Ascians,is offed very quickly by Thordan the moment he became a primal(the irony was delicious tho xD).
feel free to correct me if I'm wrong on anything I've said(while keeping spoilers at minimum),but I kinda wish in the future they'd make the Ascians more involved in the plot outside of primal summoning,give some personality and motivation for why each member desires the summoning of their god.I liked what they did with Elidibus so far especially his talks with Urianger but I wanna see more of that done to other Ascians