Issei is FAR MORE POWERFUL Than You Thought

How strong is Ophis from High School DxD? - Quora

Who is currently stronger in High School DxD light novels, Issei or Vali? - Quora

High school DXD The path of the sekiryutei! - Chapter 48 the master and his servant - Wattpad

highschool DXD: the dragon god of reality - chapter 1: betrayal - Wattpad

High School Dxd: Rise of the New Dragon God (Born Of A Legend) - Part 2 - Wattpad

Highschool DxD NEW Episode #03 The Anime Rambler - By Benigmatica

Issei Hyoudou (Dragon's Rage), High School DxD Wiki

High School D×D: Issei Hyōdō / Characters - TV Tropes

I decided to draw what I thought our boy Issei would look like in his later years. Hope you guys like it : r/HighschoolDxD

What is Issei Hyoudou's strongest form of the Red Dragon Emperor in High School DxD? - Quora