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.
What the hell are you doing?!
!ماذا تفعلين بالضبط؟
Was soll das bitte?
¡¿Qué crees que haces?!
¡¿Qué te crees que haces?!
Hé ! Qu’est-ce qui te prend ?
Ma cosa ti passa per la testa?!
O que pensa que está dizendo?