Leaving behind nothing more than a note, Mana suddenly disappears. 
Ren and the crew try to piece together where she could have gone, 
eventually going to speak to the heavily-injured Walpurgis. 
When Walpurgis tells them Mana's secret and her plan to sacrifice herself, 
Ren and crew rush to save her.
This might be related to the announcement
Vielleicht gehört dies zu der
Ankündigung von CEO Madarame,
¿Tendrá alguna relación
¿Tendrá alguna relación
Ce doit être dû à la transformation
des monstres en armes.
Forse c'entra con quello che 
ha detto il presidente Madarame
Isso pode estar relacionado ao anúncio