Update on my journey. Already beat the three orbs, gotta love Sakuya's Killing Doll for being a very good spell to throw at Reverse Time. Also, Parsee is the best tank for dealing with any attack from the orbs in the first place, and Orin helps in mauling Reverse and Forward Time, so there's that.
I seem to of noticed that I don't really use debuffers like Reisen or Hina much at all. I seem to not use people with gimmicks very well(I actually feel kind of weird when I use Byakuren) to the point where the only one who's gimmick I can use well is Tenshi, and that's for dealing with buffs. I also remember that I used to use Momiji for her Eyes that Perceive Reality skill, as she was the sturdiest of the three people who had it, and she also had the "increase accuracy for frontline" gimmick which I'm kind of missing at times...
I'm at 19F and I learned that the best thing for dealing with most everything that breathes on that floor is either Nature attacks from a strong enough mage or fighter, or trying out Magic Satori with Narrow Confines of Avici and discovering that even when resisted, enemies still die due to either damage or or the death effect of the spell. Only evasion allows for anyone to survive it, and solving that would actually be as simple as giving Satori a Accuracy Boost Tome and getting the points for it. This is harder than it sounds, since leveling up Satori is much harder than with most characters, and I also need Satori to be quick enough to fire off a spell in the first place, so I also gave her a Speed Boost Tome, so I have a bit of a resource issue there.
Still, I'm keeping on keeping on, and I do want to find everything and get to the real treasure zone of the game, the 20F Depths, so I can really have some fun there...
Surprisingly, I actually do have a goal in mind before beating the game, and that it to flat out try out everyone and make them usable for the sake of fighting against the 20F Depths, so that's going to be a serious time sink. See you when I get there.