After witnessing an unrealized present, Emilia completes the second trial and begins the third and final one. Ram and Puck are fighting their hardest to stop Roswaal. Each of them is doing it all for the sake of realizing their own goals. The battle between Garfiel and Elsa at Roswaal's mansion is also growing more and more intense. As Subaru is being chased by a guiltylowe, he declares that it's time to make use of his unparalleled knowledge of the modern world and lures it into a closet...
He is the last key to the 
unlocking of my dearest wish.
إنّه المفتاح الأخير لتمهيد الطريق أمام
أمنيتي الأسمى
Er ist der letzte Schlüssel
zu meinem sehnlichsten Wunsch.
Es la clave final para cumplir mi deseo.
Es la clave final para cumplir mi deseo.
Il est la clé ultime
pour exaucer mon vœu.
Lui è l'ultima chiave di cui ho bisogno
per realizzare il mio desiderio più caro.
Ele é a última chave para
realizar o meu desejo.
Он — последний ключ
 к моей заветной цели.