User blog comment:Crimson and Darkness/Volume 25 discussion blog/@comment-74.138.206.123-20180606044402/@comment-2602:306:CD9A:C860:58C6:DB75:2FD:8DE4-20180607232001

Cao Cao was able to go at it with Sairaorg Breakdown of the beast. The force from a hard punch from Sairaorg in that form is equivalent or higher than Issei's Crimson Blaster according to Cao Cao.