So right now i just met with Doga for the first time and now able to go under water. Correct me if i'm wrong but i believe the next boss is Odin and he triples the amount of hp that Garuda has. So if this is true then i was wondering what lvl and job lvl i should be before fighting him.
my levels so far are:

Luneth(31)-Dark Knight(24)
Ingus(32)-Knight(38)
Arc(32)-Dragoon(17)
Refia(31)-White Mage(63)

He will kick youre ass if you are in that level how do you dare insult the god of war Odin jaja you need to be at least level 50 or so since he is level 40. Bahamut is stronger level 45