Index sang something that was beyond human comprehension.

For an instant, the two magic circles centered on her eyes glowed before exploding. More specifically, it seemed like an explosion of high voltage electricity occurred in a point in space between Index’s eyes, and lightning scattered in every direction.

However, rather than bluish-white electricity, the lightning was pitch black.

Though an unscientific description, space itself had seemingly cracked open. Centered at the point where the two magic circles crossed, pitch black spatial cracks spread out in every directions to the edges of the room.

It was like a window that was shot by a bullet. It almost seemed like a type of barrier preventing anyone from approaching Index.

Toaru Majutsu no Index vol.1 ch.4