I'm using the measuring stick from my prep thread, which is full party burst damage. The first(?) day I did 49K, now I can hit 66K. It's a much better measuring stick than 23.4K versus 23.7K total ATK. I will burn one potion attempting Ultimate, just to see where I fail.
ANNND It's up!
Barely won, 3 golds dropped, all SR weapon upgrades...