Kirika and Shirabe attempt to recover Dr. Ver so that he can treat their mom.  They run into Hibiki, whose fusion has progressed to the point where she can fight a Noise with her bare hands.  Dr. Ver injects them with a LiNKER boost, and they attempt to use their ultimate songs, which might kill them.
to serve as vessels for Finé's soul.
نعملُ حاويتَين لروحِ فيني
um als Gefäße für
Finés Seele bereitzustehen.
posibles vehículos del alma de Finè.
pour servir de réceptacle
à l’âme de Finé,
come contenitori per Phine.
para servir como um 
invólucro para a alma da Finé.