After being seriously injured by the Nephilim, Hibiki is unable to control her Symphogear.  She flies into a rage, destroying the Nephilim and ripping out its heart.  During the post-fight medical exam, it's discovered that if she continues to use her gear, she'll die.
That lunatic!
هذا شخصٌ مختلّ
Das ist Wahnsinn!
¡Ese lunático!
¡Maldito lunático!
Quel taré !
Quel malato di mente!
Aquele lunático!