User blog comment:Jopjopjop/Volume 20 Spoilers/@comment-26285797-20150721203748/@comment-121.54.32.169-20150722092005

Issei's new power came from Ophis so Diabolos Dragon has INFINITE POWER...He could possibly beat Sirzechs and Ajuka at ease..IF he will MASTER Diabolos Dragon Form!