If you do the pvp, it has a pretty decent lightbase if memory serves, and you can use the currency to buy ventures (buy the i110 accessories and trade in for gc seals, then buy ventures), chances are at start of Stormblood that your retainers can bring you a lot of money from the materials they can go get while you do other stuff.
(I saved up 4000 ventures for it, pretty sure at least 3000 of those was from relic work)
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