User blog comment:Stbk22/Possible Power up's/Techniques for then new group DxD/@comment-3965848-20140208111421/@comment-1359322-20140208112120

How do you suggest that happen? Just absorbing Issei's blood doesn't make one Dragon or part Dragon. If that were true, GAsper who consumed Issei's blood would've been a Dragon or part Dragon already.