strong punches

Only the sounds of pounding meat echoed through Academy City. With each hit, the
asphalt cracked, the earth rumbled like an aftershock, and the buildings shook
ominously. None of the onlookers could say a word. Even looking away took courage.
Most people did nothing but gaze at the overpowering scene.

- Toaru Majutsu no Index Volume 15, Chapter 5 Part 5