Quote Originally Posted by BaconBits View Post
Who is the most powerful SMT protag and why is it the Demifiend?

Are you talking about just straight mainline SMT or are you also including offshoots?

Its Demifiend hands down. If not there's a reason why Demifiend wasn't a secret boss in the Persona or Devil Survivor lines. Makoto/Minako might come close with there universe arcana but thats still a stretch.