User blog comment:Crimson and Darkness/Volume 25 discussion blog/@comment-185.112.105.215-20180606133805/@comment-217.136.96.176-20180608094101

In short, she is strong enough to harm Ultimate-Class Devils, but doesn't have their power level. Riser cannot be defeated by a single strong attack, except if it can erase his soul due to the power difference being god-tier. Of course, regenerating would consume his demonic power, and attacking too. But his stamina is much higher than in the past and he doesn't just take attack as in the past if he can avoid them.