User blog comment:B214/Talk About What You Want! 3/@comment-24098614-20150310212030/@comment-24502975-20150310215351

Does DxD's mythos follow the original?

Has Rossweisse shown any proficiency in swordfighting?

Has there been any mention of other Valkyries being proficient in anything other than magic?

Annswer those 3 questions and you got your answer.