User blog comment:B214/Volume 22 spoilers/@comment-78.8.41.88-20161017150638/@comment-26926813-20161020194859

Lol, CCQ have the power at best Satan-class level. Ddraig is far stronger than God's besides Shiva. And Issei have a power similar to Ddraig in powerlvl only in Complete DxD G form, maybe even stronger due to posses power of infinity.