User blog comment:B214/Volume 17 spoilers./@comment-49.147.47.247-20140406024955/@comment-67.176.158.104-20140406080339

Just thinking out loud but if Euclid had fought it Sirzechs himself who do you tink would win. Both of them are extremely powerful. And it has been said that Euclid is almost as powerful as Grayfia.