While yes, it is theoretically possible for a hell-like dimension to exist, for a given definition of hell. The existance of a hell-like dimension has never been proven, nor has it been proven that we have a soul, nor has it been proven that our "soul" if such a thing exists would travel to this hell place for conduct that does not conform the the likings of a bunch of barbarians from hundreds and thousands of years ago. So you're making several assumptions here, but then again your entire worldview is based on assumtions so why should this be any different?
"If an injury must be done to a man, it should be so severe that his vengeance need not be feared" - Niccolo Macchiavelli
