User blog comment:B214/Volume 22 spoilers/@comment-25262334-20160720010158/@comment-25262334-20160720020151

B214: I said nothing about whether she is strong or not. That was not even given yet. We just know that she is good rated. Venelana actually is possibility, which I admit. But Grayfia is still more likely, given by fact that she is currently King-less. And regarding maids, I believe that Issei's queen will turns out to be somebody more significant than any of them. To make it right twist.