User blog comment:B214/DxD Zero: Sirzechs story/@comment-2601:8C:601:5692:A021:815:68C1:6C08-20181102220641/@comment-37165251-20181103184048

True.

The funny think is that Zephydor tried it in the Anime against Sairaorg and was pawnd^^.

Like it is said in Zero, his defense can be broken if the enemy is powerful enough and Sairaorg is not one who is weak^^