levitation spell

She felt her cheek sting from the punch. Normally, her feet, hidden beneath her long skirt,
didn’t touch the ground—they floated a few centimeters above it in order to avoid Ellis’s
earthquakes. Unfortunately, when that boy had punched her, the impact had ruined her
levitation spell. Thus, Ellis was carrying her at the moment.

- Toaru Majutsu no Index Volume 6, Between the Lines 2