User blog comment:B214/Volume 23 discussion blog/@comment-31137559-20170318001642/@comment-87.9.174.130-20170318002848

and by the way Issei was able to beat Apophis, which was at a Heavenly Dragon level, and Ddraig and Albion with their flesh and blood were among the top 10. So if Issei master further his DxD G he will be able to make a great fight against Typhon. According to the mythology, one of the powers of Typhon consists in fire and Ddraig's flames can burn even the soul of gods so he has an advantage there. And Typhon should be gigantic so he is an easy target for his flames, blasts and longinus smasher.