Diablo and the others are locked up in the sanctuary by Vishos and kept apart from Lumachina.
Meanwhile, Horn managed to escape, but she's torn between her desire to flee all by herself and her desire to help her friends. That's when Babalon, the Level Up Goddess that resides within the Holy Grail, appears before Horn.
So you're saying you've appeared as 
a Demon Lord because of our actions?
Das Ergebnis unseres Handels ist also
der Herabstieg des Königs der Dämonen?
¿Dices que has aparecido
debido a nuestras acciones?
¿Dices que has aparecido
debido a nuestras acciones?
Vous avez donc été appelé,
roi démon, à cause de nos actions ?
Quindi saresti apparso come il Re dei Demoni
 per colpa delle nostre azioni?
Está dizendo que apareceu como um
Lorde Demônio por causa de nossas ações?
Так вы снизошли на землю Князем Тьмы
за все наши прегрешения?