User blog comment:B214/Volume 23 discussion blog/@comment-185.112.105.215-20170514062229/@comment-29963364-20170514065146

If you want pure power...


 * Rias, Sona & Seekvaira vs Heracles -- Winner: Rias, Sona & Seekvaira


 * Euclid vs Creuserey -- Winner: Euclid


 * Grayfia vs Katerea -- Winner: Grayfia


 * Ajuka vs Falbium -- Winner: Ajuka


 * Bikou & Sairaorg vs Grendal -- Winner: Unknown (because we don't know if Bikou = CCQ Issei)


 * Vasco vs Tannin -- Winner: Unkown (Tannin is just below Satan-Class, and Vasco can beat/corner Kokabiel)


 * Azi Dahaka & Apophis vs Sirzechs -- Winner: Unknown (Sirzechs is 10x Satan-Class, while Azi & Apophis are both Heavenly Dragon-Class)