User blog comment:B214/Shin DxD 1 discussion/@comment-1359322-20180721111033/@comment-86.145.211.146-20180721163119

Also Issei just got a new queen who can teach Ophis and Lilith how to finish their song and get in sync for the true DxD chant. If it was not for all these flags that a new power is nearly ready to appear I would say Rias has 50/50 chance.