User blog comment:Piyush Banerjee/Shin DxD 2 discussion/@comment-2602:306:CD9A:C860:5C15:54F3:D1A2:1CF2-20190216231521/@comment-2602:306:CD9A:C860:5C15:54F3:D1A2:1CF2-20190217094933

So what you're saying is simply dodging it was her countermeasure? Issei never been the type to waste such a powerful attack if he knew his enemy could dodge it. I'm sure Issei was aware of her abilities but still considered using it anyway.