hit by hammer

In the next instant, a wind weapon shot from the end of the hammer.
Kamijou immediately twisted his body to the side, but the blunt weapon still grazed his
side. That was all it took for his body to spin around like a bamboo copter. He had no
chance of making a proper landing and he slammed into a crumbling wall.
“I loathe science for letting my brother die!!”
Vento swung her hammer around even more while shouting things Kamijou did not
understand. Despite how tightly the chain had been wrapped around the handle, it had
already been removed. She created a wind weapon which shot toward Kamijou. He had
his back pressed up against a wall, so he leaped to the side to avoid it.
The building wall was smashed to pieces like a toy.
That power sent a chill down Kamijou’s spine, but then he suddenly froze.

- Toaru Majutsu no Index Volume 13, Chapter 10 Part 2