Walpurgis reveals Mana's secret to Ren and company as Miroku continues her preparations at Madarame Tower. 
When Ren and crew head there to save Mana, Miroku summons forth the otherwordly Yomi to stop them dead in their tracks!
Heed my call, inhabitant 
of the Empire of Death.
Erhöre mein Flehen,
En mi nombre, te invoco del inframundo.
En mi nombre,
te convoco del inframundo.
Par l’autorité qui m’est conférée,
Ascolta la mia richiesta, 
abitante dell'Impero degli Inferi,
Ouça meu chamado, habitante
 do Império da Morte.