Ah, I've yet to finish the AST 60-70 storyline, though I had heard about connections to CNJ, so I figured it would be something that'd build on Conjurer lore but take to a different direction. But I should probably finish with AST.

There's always Chemist as an option. Whilst it never appealed to me in other FF titles, but Octopath Traveller kinda opened me up to the idea of such a healer. They could mix poisons and explosives as their DPS moves. Mixing could be a mechanic used. A bit like mudras with its own flavour.

And I agree about Dancer, that's why I was hoping for it.