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.
Mom!
أمِّي
Mom!
¡Mamá!
¡Mamá!
Maman !
Mamma!
Mom!