User blog comment:B214/High School DxD New Episode 3 Discussion/@comment-220.255.2.171-20130722090653/@comment-1359322-20130724155429

Well Ophis and Great Red are born in the Dimensional Gap, one is from the Nothingness of Infinity while the other is from the Illusion of Dreams, so they are considered as some sort of "Dragons that are not Dragons" like being.