The Crimson Binome
Hero
That's not how my players would act. The PCs in my campaigns are heroic, and won't allow a single innocent person to die if they can prevent it.Sounds like your characters are a bit uncaring.
I'm talking from the perspective of a DM, who wants a powerful force of nature that can threaten civilization as we know it. I want something that can stomp unimpeded through any number of chumps, which only the PCs have any chance of stopping, and only because they are as ridiculously powerful as they are. I want Doomsday, who can shrug off nukes, and who can only be stopped by Superman.