User blog comment:Crimson and Darkness/Shin DxD 3 discussion/@comment-79.119.70.247-20191014170553/@comment-105.186.247.166-20191016062826

In the end It probably comes down to his base form. Even though he's stronger than before his base is the one thing he desperately needs to improve. Vali could easily get rid of them in balance breaker which is probably Satán Class. Empíreo is Super Devil. Issei in his base still lacks compared to others.