RPGs, tabletop RPGs, are not traditionally ones where the designers build your enemies, adversaries and chsllenges for you. Sure there are pre-fab varmints and even,modules etc but those always come with "adjust as needed" because there are so many variables ankut party and so forth its a WAG for PCs they have no knowledge of.This still doesn't help.
I buy a game to have its designers do the job for me.
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And no "balancer" has ever worked well for mid to high levels other than GM experience.
If you want pre-fab adversaries and balance, computer games or using equally pre-fab PCs are your best bet.
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