knocks out attacker

Something approached Mikoto’s throat. It was a nonmetal war pick, a type of pickaxe
meant for battle that could be held in one hand. The person holding it was circling
around the pile of rubble at high speed bringing the war pick’s tip closer. The motion
was so quick and smooth that Mikoto realized what was going on reverse order.
Someone was trying to kill her.
As soon as she realized that simple fact, Mikoto finally started to move.
“!!”
Still crouched down, she immediately twisted her body. The approaching war pick
slightly tore at the skin of her neck and then stabbed into a gap in the rubble behind her.
However, Mikoto fell over onto her back because she had tried to evade so quickly.
The attacker ignored the war pick that was stuck in the rubble and reached around
behind him or herself.

The attacker pulled out a nonmetal knife and swung the blade down toward the top of
Mikoto’s nose.
However, a great crackling noise rang out.
A high voltage current had been fired from Mikoto’s bangs.
Seeing that the attacker had been knocked away, Mikoto breathed a sigh of relief.

- Toaru Kagaku no Railgun SS1, Chapter 6