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.
It's ironic,
،هذه مدعاةٌ للسخرية
Schon komisch,
Es irónico.
Es irónico.
L’ironie dans tout ça,
È ironico,
É uma coisa irônica.