Thanks for all the advice--I've been deploying the Prince whenever I have 10 UP to spare, though in Phalanx 2 my problem was that Cloris and Calliope weren't strong enough, so I was trying to wait for 25 to send out Grace, as NotThatGuy suggested. Once I improved their levels/affection, it wasn't a problem. Cloris/Calliope/Prince/Agnes/Grace are more than enough to handle the mission.

And yes, now my priority is CCing Bashira, then getting her and Soma both up as high as I can. She's at 46 right now, but with no platinum fairies, the leveling process is going pretty slowly, and draining my funds quickly. Hopefully tomorrow will go well; I'm not sure if I'm strong enough to handle the Golden Armor H level daily yet, and don't want to risk stamina attempting it if it's totally out of my league.

One other question (sorry I have so many!): is Return to Ruins my best grinding map right now? I'm pretty sure I can't quite make it to Fiery Oasis yet, which is my current goal for unit leveling.