User blog comment:Crimson and Darkness/Volume 25 discussion blog/@comment-2602:306:CD9A:C860:DD61:BC23:D09B:379E-20181023154438/@comment-2601:87:8300:20D0:C02F:A338:85EE:8543-20181024193551

Issei rivals, gods, super devils, reapers and pretty much anyone who has confidence or wants a challenge.