User blog comment:Crimson and Darkness/Volume 25 discussion blog/@comment-39.33.242.15-20180417074357/@comment-39.33.242.15-20180417163516

B214 said shin dxd will cover the other half of the fifth arc and most arc were comprised mostly of 8 to 10 volumes so more than likely i doubt ishibumi will spend another 10 years on just one arc