User blog comment:B214/Shin DxD 1 discussion/@comment-95.210.189.106-20180728121947/@comment-86.153.130.52-20180729063244

The the main disadvantage Rias has is that the finals will most likely be straight forward fights because they will not want fancy rules that can cause a tie in the final. In straight forward combat Issei's ability to take the hits and kept moving forward always gives him an advantage.