Kefka final battle and Statue of the Gods 3 tier Question

I mean, the game checks for specific status ailments there. I suspect it could be as simple as checking for any status including none of them. Dunno if that would be space effective at all. But I imagine it would work in theory.

Oh, I guess the big issue would be that you simply don't have enough people for the boss. So you'd be working in parties of three or something, which would require extra handling.