Is FFXIV hinting Berserker, Necromancer, and Chemist next expansion?

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As for Geomancer, I don't think "we GOTTA hit all the elemental types with extreme focus!" is as big of an aesthetic/ theme hole as you think. They could add important wind/ earth/ water spells to the 3 mages that currently uses elements. If you were to point at Geomancer as, say, an Eastern themed job then I'd agree that there's more than enough room for a Eastern themed mage. But the same could be said for anything other than Melee DPS, nothing says Geomancer can't be a healer (and nothing say's a "necro like" job can't be a healer either). They could even make an eastern themed "soul mage" job.

Well adding to this aesthetic...Feng Shui crossed with an Oracle/Mystic motif, I think would be interesting to say the least. Theyd rely on manipulating earth through its lay lines and underground aetherstreams, in the case of this game world, to create effects, like quake and other natural disasters. I think this could be a fitting theme for a Geo honestly. Ironically for Geo, its actually been around for a very long time, first showed up in ff3nes(as well as dragoon, summoner,dark knight,viking, etc) All it really did back then was permanent float from dungeon traps, and i think it just had a quake ability in combat. I like the tactics carnation of it, where it used the terrains element as attacks that both dealt damage and caused crippling debuffs.