User blog comment:B214/Question and Answers 3/@comment-25222726-20140717181240/@comment-1359322-20140718125821

It's more like Sairaorg was born without Demonic Powers. Rather than it being a weakness, it's more like a natural occurance, probably due to Sairaorg having the Vapula's trait. He did tame Regulus after all, you can even say the Lion Tamer is Sairaorg's power as a Devil not the POD.