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5th Level Sorcerer Spell Choices
After a long break, I've taken up another "Insane-no-extra-damage" SoD run with my favorite Necromancer PC and cast of (mostly) evil party members: Viconia, Dorn (I had M'Khiin until I reached Bridgefort), Safana, Edwin, and Baeloth. I've found that I really enjoy having the versatility of having three arcane casters in the party.
Baeloth just reached 10th level and now I'm faced with choosing his first 5th level spell. In the past, I've chosen Cloudkill as his first spell, and Lower Resistance for his second (which I think is vital later on in the game). However, from my previous run, I found that Lower Resistance could have come in handy at least a couple of times if I had taken it first, so I'm considering doing that this time around. As for Cloudkill, I can think of no other spell that would be more useful, given its recurring damage and insta-kill for lower-level mobs.
So my question is, which 5th level spells do you choose for your PC sorcerer or Baeloth? Why?