Beat vs Issei Hyoudou (Dragon Ball Heroes vs Highschool DXD) Connections below : r/DeathBattleMatchups

Travis Touchdown vs Issei Hyoudou (No Mroe Heroes vs High School DXD) Made yet another Travis MU but I think this might be the better one cause I did found some

DeathBattle/Fanmade battle's Predictions - What If Battle: Issei Vs Tatsumi - Wattpad

Gurren Lagann + Kill La Kill tierlists part 1: Simon The Digger and Ryuko Matoi : r/DeathBattleMatchups

Gurren Lagann + Kill La Kill tierlists part 1: Simon The Digger and Ryuko Matoi : r/DeathBattleMatchups

Issei Hyoudou (High School DxD Universe) vs Team Android 18 (DB) - Battle - Superhero Database

Which universe would win, High School DxD or Dragon Ball Super? - Quora

Meliodas(Seven Deadly Sins) vs Issei(High School DXD) who Stronger!? : r/ DeathBattleMatchups

Issei Hyoudou (Issei Hyoudou) - Battles - Superhero Database

Which universe would win, High School DxD or Dragon Ball Super? - Quora