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.
Cavalry Flash
وميض الفرسان
Ritterlicher Blitz
Resplandor de la Espada del Jinete
Resplandor de la Espada del Jinete
FLASH DE L’ÉPÉE CHEVALERESQUE
Lampo del Cavaliere
Flash da Cavalaria