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.
The drop in her life energy
الانخفاض في طاقةِ حياتها
Ihre niedrige Lebensenergie …
¿La pérdida de energía vital
¿La pérdida de energía vital
La chute de son énergie vitale
Il calo drastico di energia vitale
A energia vital dela decaiu