At long last, Yumiella and her companions reach the Demon Lord's castle, but his power is so great that she's the only one who stands a chance against him. Then the Demon Lord tells them the true story of his connection to Valschein's royal family.
That's the Demon Lord's castle.
.تلك قلعة ملك الشياطين
Das ist das Dämonenkönigsschloss.
Ryu, hinunter.
Ese es su castillo.
Ese es su castillo.
Le château du roi-démon.
É o castelo do Rei Demônio.
Вижу его замок.