Kono Subarashii Sekai ni Shukufuku wo! Episode 4 English Subbed Episode Title:Explosion Magic for This Formidable Enemy!.Episode Description:With hunting requests declining due to one of the Devil King's generals moving in nearby, Kazuma accompanies Megumin as she practices her explosion magic on a seemingly abandoned castle. This ends up infuriating the general, Verdia the Dullahan, who had been living in that very castle. Placing a death curse upon Darkness, Verdia demands that Megumin come to his castle within a week in order to save Darkness' life. Shortly after Verdia takes his leave, however, Aqua simply removes the curse from Darkness, eliminating the need to make the journey to the castle.