Similar to its parent show A Certain Magical Index, A Certain Scientific Accelerator will be recapped by story arcs, taking note of the differences between adaptations.
Warning! Recap pages do not get spoiler tags. All spoilers on these pages will be unmarked.
Manga
- Vol.1-7 Necromancer
The opening arc of A Certain Scientific Accelerator, the Necromancer Arc deals with Disciplinary Action or DA, a rogue extremist group of Anti-Skill, and the parties manipulating them who make use of necromantic techniques.
- Vol.8-10 Nectar
The Nectar Arc is the second and last story arc in the A Certain Scientific Accelerator manga, focusing on Himegi Matsuri, a girl with a mechanical heart involved in a case involving one of the Board Directors and pursued by the dark side group Full Course, as well as the circumstances of sisters Tobio Yumi and Mami.
Anime
Necromancer Arc
- Episode 1 Accelerator (Academy City's Mightiest Esper)
- Episode 2 Necromancer(Raiser of the Dead)
- Episode 3 Numbers (Charms of the Four Perils)
- Episode 4 Third Number (The Pseudo-Soul, Huotou)
- Episode 5 DA (Security Officer Darkness)
- Episode 6 Scavenger (Corpse-Eating Squad)
- Episode 7 Download (Time Limit)
- Episode 8 Friend (Hirumi)
- Episode 9 Deaths Memory of Death (10031 Deaths)
- Episode 10 Catastrophe (Awakening)
- Episode 11 Perfect Golem (Perfect Body)
- Episode 12 Something to Protect