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...
write on my gravestone that the 
cause of death was Otto's oil.
فاكتبوا على شاهدة قبري أنّ سبب
موتي كان زيت أوتّو
pon en mi tumba que me mató tu aceite.
pon en mi tumba
que fue culpa de tu aceite.
Se dovessi bruciare vivo, scrivete sulla mia lapide 
che è tutta colpa dell'olio di Otto.
escreva no meu túmulo que eu
morri por causa do óleo do Otto.