While yes, the paladin does to a degree fill this niche, it is a) not a DPS (which I traditionally regard spellblades as being), and b) really only has one ability - Confiteor - which truly fits the mold. Although spellblades aren't specifically a "thing" in Final Fantasy, equivalent jobs that were spellblades in all but name were pretty much littered throughout Final Fantasy Tactics - from Gaffgarion's Fell Knight, to Agrias' Holy Knight, to Dycedarg's Rune Knight. All of them were equipped with various spell-sword attacks which were amongst the more visually interesting and memorable abilities (at least IMO) in FFT:
I'm in no way crapping on the upcoming jobs - I personally plan to at least try to main a Sage (no promises; in 2+ decades of playing MMORPGs, I've never main'd a healer for more than about 3 weeks) - but if the game continues to putter along, and if we really are not going to see more races added, I do expect there to be additional jobs. And, frankly, something spellblade-ish should probably be in the mix, considering how prominent those jobs were in FFT, and how we do live on that same planet.
Also, my second-place vote is for Geomancer. Because volcanoes.
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