Assume it's an offline single player game. Of all the DLC for FFXV, the one that stands out the most from a quality perspective is Ignis, so I would love to see Takefumi Terada helm the next one. Particularly if they can also get Mitsuda back to do the theme at least. And I would like the characters designed by Kunihiko Tanaka.
God I hope its an offline game. 14 is going well enough they don't need another MMO right now. Anyways, I enjoy SE but not enough to know the people behind it. The only one I really knew was Nobuo and sadly his health isn't good of late.
I don't really know much but whoever will make it should do their damn best to reclaim their loss reputation from the previous title that is until up to now having a damn DLC updates and addition.
