Kamijou Touma intervened, logicizing that if the "weakest" (a Level 0) could defeat the "strongest," the foundational calculations of the experiment would be proven false.
Touma defeated Accelerator, leading to the permanent suspension of the project. Accelerator - Toaru Majutsu no Index Wiki railgun s вћ« accelerator's level 6 shift project
Accelerator would need to kill Misaka Mikoto (the No. 3 Level 5) 128 times in fatal combat. Kamijou Touma intervened, logicizing that if the "weakest"