User blog comment:Crimson and Darkness/Volume 25 discussion blog/@comment-95.210.189.106-20180418162656

I'm that think,that Crom Cruach will give a speciale training to Issei.. Issei becoming stronger, after the training with Tannin in the volume 5 rigth? Well, with a dragon that have exceed the heavenly class like teacher, he could reach great upgrade of his power?