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.
This throws off the plan.
.هذا يفسد الخطة
Das war nicht mein Plan.
Adiós a mis planes.
Adiós a mis planes.
Mon plan tombe à l’eau.
Tanti saluti a tutti i miei calcoli.
Isso acabou com a estratégia.
План полетел к чертям.