Originally Posted by
Lilseph
This basically. The potential issue regarding Healers is that the devs want any healer composition to function. It's not the same as balancing the other roles from what I can understand, and the main reason why duplicates don't synergise well together. A lot of it boils down to the fact that the devs have sectioned healing into either "pure healing" or "shield healing". If they introduce a fourth healer designated as a "shield healer" and force Ast into a permanent Diurnal Sect, then you'll never be able to run with a Whm/Ast comp because it wouldn't be feasible. Similarly, making all four healers have their own niche can possibly end up with similar results.