User blog comment:B214/Volume 23 discussion blog/@comment-172.58.17.208-20170402060034/@comment-10330822-20170402215837

Wait, I thought Issei used the nerfed DxD to fight Apophis. Didn't Vali explain that the reason Issei didn't die because of the usage was because Ophis nerfed it before Issei used it against Apophis?