User blog comment:B214/Question and Answers 6/@comment-118.172.180.221-20160719145800/@comment-26821288-20160723224904

Well, if you are talking about the pre-nerf DxD G, then I say Issei might have had a slim chance of winning. But if it's the nerfed DxD G, then... nothing to even think, Sirzechs wins. Or rather, kicks Issei's ass.