Rdm/blm , can be done naked and usually 7-9 minutes
Try this if you wanna solo.
Make macros: all tier2 nukes but water 2 . Or can just keep spamming ice2 and thunder 2.
gravity, bind, stoneskin, phalanx, sleep1 sleep2. Cures. (Drain is optional )
At start of fight .Apply composure On . Refresh , stoneskin , phalanx , blink, aquaviel. Magic accuracy food like pear crepe optional. *** now take off COmposure*** so you don't gimp your recast timer.
Max casting distance . Cast gravity (wind staff optional) start spamming tier2s. ( no dots) run toward Burning Circle and towards the wall . You should be able to land 2-3 nukes by the time you make it to dead end. **Bind and reapply stoneskin if you got hit. ** while it's bound run across other side of dead end to run up towards ramp. ( avoid contact with it duh) Start landing more tier 2 While running up. Sleep1 it . Rest your MP and wait for gravity to wear. Look for it and reapply gravity ASAP. Tier 2 spam . Should be more than half its health down . Keep kiting in the big circle while keeping distance and reapply stone skin. Sleep 2 it and buff if you need . BY NOW it should start resisting your enfeebles so make sure to have bind, sleep , gravity in hand. Tier 2 spam a couple more time and it should be close to dead . At 15% you can honestly Chainspell Drain it to death with some tier 2 in between. GL