However, the episode ends on a dark note. Another clone, , begins a predetermined battle with Accelerator , the strongest esper in Academy City. This fight is revealed to be part of the "Level 6 Shift" experiment, a project aimed at evolving Accelerator into the first Level 6 esper by having him kill 20,000 Misaka clones. Key Character Appearances
: Follows Touma and Index on a flight to the United Kingdom , where they must thwart a terrorist hijacking.
: The "original" Level 5 esper who is increasingly suspicious and distressed. To Aru Majutsu no Index Episode 10
Following the loss of his memories, Touma Kamijou encounters Mikoto Misaka for the first time. He subsequently meets a young girl who looks identical to Mikoto, identified as . Throughout the episode, Touma spends time with this "Sister," experiencing a series of comedic and slice-of-life moments.
: The episode explores the cold, calculated nature of Academy City's higher-ups, who view the clones as mere "disposable equipment" rather than human beings. However, the episode ends on a dark note
: Interestingly, characters Moritaka Mashiro and Akito Takagi from the manga series Bakuman make a brief cameo appearance walking near Accelerator in this episode. Themes and Revelations
: The protagonist who is still adjusting to life after losing his memories. Key Character Appearances : Follows Touma and Index
If you are referring to later seasons, the 10th episodes follow different arcs: