What is Arch-Ultima's regen like and how resistant to damage is he?
I'm considering trying to summoner burn Proto-Ultima him with ~10 summoners. If he has 100,000 HP, not much/no auto-Regen, and you have 30 minutes to kill him, 10 summoner would pretty much do the trick, eh? Screens aren't important because you can do whatever damage he takes at the moment. AoE death moves aren't important and wouldn't even slow you down that much really.
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