User blog comment:B214/Volume 23 discussion blog/@comment-76.175.162.45-20170404042611/@comment-79.44.187.109-20170404221028

@Pawn, in EX they says to Azazel that of the current Maou only Ajuka was still in charge so Azazel thought that Sirzechs, Serafall and Falbium were dead aswell. Now we know that both him and them are inside the barrier, so in the future they are not dead, they're sealed.