User blog comment:B214/Volume 23 discussion blog/@comment-31137559-20170422030356/@comment-23853100-20170422033024

I feel like choking the living hell out of you for some reason.'

"In volume 12, I wrote that “He has the power that is equal to the whole Yondai-Maou together”, but I received several questions from readers who read this and asked me “Is that the comparison when you include Sirzechs in his true form?”. The true Sirzechs and the serious Ajuka (who haven’t appeared in the story) isn’t included in the comparison. If Śakra is stronger than the Yondai-Maou when you include Sirzechs' true form, then the power influenza will be go off."

- Volume 13, afterword