BD: Finally completed C2, onto C3. I really really love the encounter control as it speeds up zooming to the bosses & exploring, and makes a quasi-challenge playthrough of keeping level fairly low more sane (because running away constantly is lame). I'm not even exactly attempting to force the issue, but as noted, MP costs are actually pretty significant, so I tend to have my mages nearly dry halfway through a dungeon, causing me to set encounters to 0.
Anyway, Rusalka! Attempt 1 post getting wrecked earlier and gaining a level or two: Okay, Frost Armlet on Thief Tiz, Agnes has Abate Water naturally off WM... Edea can use MAGIC ARMOR + Blizara Sword?! But Rusalka absorbs Water, so I either need to switch up to Thundara immediately or use Withering Ripple - Water weakness. (Withering Ripple, the best ever.) Or - wait, Magic Armor stays around after you switch enchantments? Sweet, I can Blizarra->Thundara and still have Water-halving. Hermes Sandals on Edea to attempt to get her offense off before the clones, Agnes I want to be slow so that she can Cura post-Dark Flow now that I know she doesn't need to Default. Ringabel, get a Mage Shell for more MDef I guess? Okay, so 3/4 of my party can halve Dark Flow, but... Ringabel still gets OHKO'd anyway. (maybe it's physical + water?). Still, that sets up Dark Flow -> Thundara + Judgement + Judgement from Edea to immediately slaughter the clones, so a death isn't even that bad. Doing okay anyway, but then the game crashes upon DS sleep wakeup. +1 reset, but that doesn't really count!
Attempt 2, right, Hermes Sandals on Ringabel to try and get his offense off faster, and I try a Staff & Shield setup on Tiz (despite his Iron Pole proficiency being E) since his offense isn't tremendously relevant anyway. This was sort of okay with some usual Charm scares, and then Charmed Ringabel casts... REGEN ON RUSALKA. This is literally the worst possible thing he could have done, no Dispel yet, and Rusalka will now regen 1200 HP every turn. Despite that, I make some progress until I let Water Halving lapse on Edea and get knocked on the defensive after both Edea & Ringabel wipe to Dark Flow while Tiz & Agnes don't have stocked BP. I COULD rebuild but screw this, +1 reset.
Third attempt, back to Bow Tiz, and this time I set up my specials to have Lightning Element. Now I have 3 free MT Lightning nukes of doom to play with, a rare case that might be better than Withering Ripple (which is pretty much the greatest Special ever normally, a decent reason to run 2 Rod users). This time, I keep up water-halving on Edea and don't get haxed by Charm, so the Water Crystal is saved! Don't feel like pressing my luck and trying to shatter the crystal to see what happens, as if it's a Game Over I don't want to do that fight again.
Anyway, onward to C3, ho. (After first stopping to grab the Wind summon in Ancheim.)