User blog comment:B214/Question and Answers 6/@comment-30780538-20171203204232/@comment-3285616-20171205161213

Yes, she got beaten by Issei's boosted gear when he had no training whatsoever. And I doubt Issei himself would ever forgive Raynare. Due to the fact that she cares for Asia deeply and she was the one who killed her. He's still haunted by the fact that he couldn't protect Asia.