User blog comment:Piyush Banerjee/Shin DxD 2 discussion/@comment-2601:87:8300:20D0:4A9:E0DE:70DA:10CA-20181230165312/@comment-2601:8C:601:5692:704F:FD6:74AB:4C74-20190101063901

Oh, and no ideas about who reincarnated her. Jokers have no clear "master" compared to normal Brave Saints or all Evil Pieces. Dulio was most likely reincarnated by Michael, but that's not stated definitely. It's entirely possible that Jokers are chosen by consensus by Heaven's leadership, rather than a single Angel choosing them.

Ah, and by reading the Jap wiki, I learned that apparently the [Extra Joker] is literally a reserve for the [Joker] position who only moves when the [Joker] is incapacitated or otherwise unable to move.