I suspect we'll be going to Soooo...
Machines/machina/magitek, lack of magic, ascians, emperors, FF12-like Judge suits, not sure if X is as religious (if at all) as Ishgard... My guess is that Summoner might be next featured class, either that or
gunblade, because of the Ascian killer mercenary wielded a gunblade, which I suspect will be the next DPS class
hmmm.
JUDGEMENT DAY / DAY OF JUDGEMENT (I refrain from final/last judgement as it'll sound like the end of FFXIV)
DOOMSDAY
SHADOWPLAY
HUNTSMEN
I don't know. Heavensward and Stormblood sound very sophisticated. ._.