Itsuwa wordlessly used the Friuli Spear of hers to charge at Acqua at blinding speed, and with the spell Icy Night Wind cast on the tip of the spear—it exploded. Flashes appeared everywhere, and it was not just Acqua alone getting hit, the neighboring asphalt roads were mercilessly ripped up and crumbled.

[...]

The mace, being used like a grey window handle, pulled open to scatter the dust, and the unhurt Acqua appeared inside.

Toaru Majutsu no Index vol.16