User blog comment:B214/Question and Answers 4/@comment-24098614-20150224220026/@comment-24502975-20150225005045

Like I've said before, if we assume [Worthlessness] cancels POD and Sirzechs can't overwhelm it he pretty much automatically loses. And Belial's strong enough to fight on par with Falbium and Serafall, so only Ajuka could defeat him.