[quote=WizardGirl]
Yes but that was his Dad's part, which would be easy, since he had permission, but if he doesn't have permission, he has to try harder
[/quote]

Why would an arch devil care about the coming and going of other devil's? If he noticed at all he'd be a lot more concerned about the freaking werewolf who goes around throwing people into his domain. 

besides. Magnum casually handwaves a power that banishes people to freaking hell? Just like that. And he doesn't even have anything magic related on his character sheet.
Just stick to your own rules for starters.