I doubt the remaining Ascians would actually support what Fandaniel is doing.

If Lahabrea really is still alive in some capacity, I expect them to show up in Pandemonium so they can all be conveniently dealt with in one fell swoop as he's the closest thing to a leader they have left to rally under.

6.x was mentioned as being the end of the Ascian story, so I think they're more likely wrap up their role entirely by the end of the patch cycle then have them continue to be a catalyst for future storylines.