User blog comment:Jopjopjop/Volume 18 Spoilers/@comment-66.225.161.184-20140626233427/@comment-67.176.158.104-20140627052312

If not Freed does anyone think Rizevim will bring back Raynare and her Fallen angel pack as evil dragons. As a means to mess with Issei.

He has expressed an interest in Issei as he was revived with the power of Ophis and the flesh of the Great Red.

So Raynare could be used as a means to break him down by reminding him of the trauma that he experienced.