Originally Posted by
Cariborne
I highly doubt that's how it'll happen. I honestly don't even think we'll have a Job Crystal with these classes as unequipping a Job Crystal turned you into the Previous Class, you can't unequip the Job Crystal as these new Jobs as they have no class to break back down to. So, either we'll have a Crystal we can't unequip, or we won't have one at all.
As for balancing your idea of DRK/THM and DRK/MRD, FF14 as a whole is a lot more balanced and has specific roles for each Class that FFXI didn't have. Doing that would go against that idea