If you're going to do the Dependency thing (*grumble*) can you at least make it so that we can choose odd things, like, say, 14580? A box that lets you buy that would be sufficient. It's a /lot/ of tinkering right now between things as is.
Okay, so, I've been playing this for a while now, and I've come to the conclusion that Angels are the best faction, by far. The ability to chain cast both God's Hand and Call to Arms with honestly somewhat alarming speed significantly trumps the Demon's Hellfire Blast, even with all of the trophies. If I had to create a ranking, it'd probably something like...
Angel
Demon
Fairy
Goblin/Undead
Elf
Though the Elf faction is /by/ /far/ the best suited to getting the Exchange Master achievement in any sort of reasonable timeframe.
TL;DR: Angels rule, demons drool.
Okay... I don't really want to complain about this, because it's kind of awesome, but it's getting a little annoying. The Protium cells aren't running out, they're going negative. Has anyone else had that issue? I realized it happened first in a dual-build with the Quad Dolorium cells.