Superb Song of the Valkyries: Symphogear S02 E03 Those Who Long for the End, Those Who Challenge the End

"Meteoroids falling, burning, disappearing, and then..."

Headquarters tracks Finé's base to an abandoned hospital outside town. When the Symphogear wielders attack the base, their powers are weakened by a strange red gas, and they are attacked by a monster which doesn't seem to be a Noise...