The title "(Dub) 7 : The School Trip Is in Pandemonium" refers to the seventh episode of the English-dubbed Winx Club Season 6 , where Musa and Tecna earn their Bloomix powers by defeating Pandemonium Sprites at the Golden Auditorium. This title is also used for High School DxD HERO Season 4, Episode 7, which depicts Issei challenging Cao Cao at Nijo Castle. For detailed information on the Winx Club episode, refer to the Winx Fandom page . High School DxD HERO, Season 4 (Simuldub) - Prime Video