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Pur
Guest
Like everyone says, NIN offers nothing except survivability and cheap sneak/invis. SAM and WAR both offer damage increases, but SAM offers more damage mitigation than WAR by far. In the end, it comes down to which will offer the best exp/hr. As for sea, sky, etc. I think it comes down to what you'll be doing exactly. I recommend NIN for anything involving farming, it's usually safer that way in my opinion and farming is usually structured like meripos anyways. For anything else, I would imagine it depends entirely on the exact circumstances such as mob being fought, whether there is a SC, etc.
If you're DRG is equipped anything like your PLD, I don't think you'll have to worry.
I do quite fine considering my limited access since my character is still new. Thanks for your concern though.