User blog comment:B214/High School DxD EX/@comment-27083298-20170415041321/@comment-30924344-20170416231108

I just thought that one of the Seraphs who was not one of the Four Great should have taken Michael's place as a Great Seraph; most likely abandoning his position as King of a group of Brave Saints of whatever suit, to lead Michael's Brave Saints, so Dulio is that person's Joker now.